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Finding the Fourth Proportional to 6,391,307.70, 9,586,961.55 and 1,842,347.70

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Solution

The fourth proportional to 6,391,307.70, 9,586,961.55 and 1,842,347.70 is: 2,763,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,307.70 : 9,586,961.55 = 1,842,347.70 : x
  2. Step 2: Convert to fraction form
    6,391,307.70/9,586,961.55 = 1,842,347.70/x
  3. Step 3: Cross multiply
    6,391,307.70x = 9,586,961.55 × 1,842,347.70
  4. Step 4: Simplify right side
    6,391,307.70x = 17,662,516,561,630.94
  5. Step 5: Solve for x
    x = 17,662,516,561,630.94/6,391,307.70
  6. Step 6: Final answer
    x = 2,763,521.55

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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.