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Finding the Fourth Proportional to 6,386,337.30, 9,579,505.95 and 5,693,495.70

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Solution

The fourth proportional to 6,386,337.30, 9,579,505.95 and 5,693,495.70 is: 8,540,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,337.30 : 9,579,505.95 = 5,693,495.70 : x
  2. Step 2: Convert to fraction form
    6,386,337.30/9,579,505.95 = 5,693,495.70/x
  3. Step 3: Cross multiply
    6,386,337.30x = 9,579,505.95 × 5,693,495.70
  4. Step 4: Simplify right side
    6,386,337.30x = 54,540,875,934,449.41
  5. Step 5: Solve for x
    x = 54,540,875,934,449.41/6,386,337.30
  6. Step 6: Final answer
    x = 8,540,243.55

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.