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Finding the Fourth Proportional to 40,451,884.40, 60,679,597.80 and 11,700,926.30

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Solution

The fourth proportional to 40,451,884.40, 60,679,597.80 and 11,700,926.30 is: 17,551,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451,884.40 : 60,679,597.80 = 11,700,926.30 : x
  2. Step 2: Convert to fraction form
    40,451,884.40/60,679,597.80 = 11,700,926.30/x
  3. Step 3: Cross multiply
    40,451,884.40x = 60,679,597.80 × 11,700,926.30
  4. Step 4: Simplify right side
    40,451,884.40x = 710,007,501,771,442.12
  5. Step 5: Solve for x
    x = 710,007,501,771,442.12/40,451,884.40
  6. Step 6: Final answer
    x = 17,551,901.78

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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.