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Finding the Fourth Proportional to 7,244,331.60, 10,866,497.40 and 6,696,901.20

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Solution

The fourth proportional to 7,244,331.60, 10,866,497.40 and 6,696,901.20 is: 10,045,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,331.60 : 10,866,497.40 = 6,696,901.20 : x
  2. Step 2: Convert to fraction form
    7,244,331.60/10,866,497.40 = 6,696,901.20/x
  3. Step 3: Cross multiply
    7,244,331.60x = 10,866,497.40 × 6,696,901.20
  4. Step 4: Simplify right side
    7,244,331.60x = 72,771,859,477,856.89
  5. Step 5: Solve for x
    x = 72,771,859,477,856.89/7,244,331.60
  6. Step 6: Final answer
    x = 10,045,351.80

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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.