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Finding the Fourth Proportional to 9,946.99, 14,920.49 and 5,572.99

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Solution

The fourth proportional to 9,946.99, 14,920.49 and 5,572.99 is: 8,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.99 : 14,920.49 = 5,572.99 : x
  2. Step 2: Convert to fraction form
    9,946.99/14,920.49 = 5,572.99/x
  3. Step 3: Cross multiply
    9,946.99x = 14,920.49 × 5,572.99
  4. Step 4: Simplify right side
    9,946.99x = 83,151,741.57
  5. Step 5: Solve for x
    x = 83,151,741.57/9,946.99
  6. Step 6: Final answer
    x = 8,359.49

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Double scale
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Similar ratio
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1.5x scale

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.