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Finding the Fourth Proportional to 7,046,553.60, 9,885,081.60 and 7,046,553.60

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Solution

The fourth proportional to 7,046,553.60, 9,885,081.60 and 7,046,553.60 is: 9,885,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046,553.60 : 9,885,081.60 = 7,046,553.60 : x
  2. Step 2: Convert to fraction form
    7,046,553.60/9,885,081.60 = 7,046,553.60/x
  3. Step 3: Cross multiply
    7,046,553.60x = 9,885,081.60 × 7,046,553.60
  4. Step 4: Simplify right side
    7,046,553.60x = 69,655,757,334,773.75
  5. Step 5: Solve for x
    x = 69,655,757,334,773.75/7,046,553.60
  6. Step 6: Final answer
    x = 9,885,081.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.