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Finding the Fourth Proportional to 6,914,553.60, 10,371,830.40 and 6,207,715.20

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Solution

The fourth proportional to 6,914,553.60, 10,371,830.40 and 6,207,715.20 is: 9,311,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914,553.60 : 10,371,830.40 = 6,207,715.20 : x
  2. Step 2: Convert to fraction form
    6,914,553.60/10,371,830.40 = 6,207,715.20/x
  3. Step 3: Cross multiply
    6,914,553.60x = 10,371,830.40 × 6,207,715.20
  4. Step 4: Simplify right side
    6,914,553.60x = 64,385,369,225,902.09
  5. Step 5: Solve for x
    x = 64,385,369,225,902.09/6,914,553.60
  6. Step 6: Final answer
    x = 9,311,572.80

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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.