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Finding the Fourth Proportional to 29,842,987.80, 44,764,481.70 and 20,773,061.40

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Solution

The fourth proportional to 29,842,987.80, 44,764,481.70 and 20,773,061.40 is: 31,159,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,842,987.80 : 44,764,481.70 = 20,773,061.40 : x
  2. Step 2: Convert to fraction form
    29,842,987.80/44,764,481.70 = 20,773,061.40/x
  3. Step 3: Cross multiply
    29,842,987.80x = 44,764,481.70 × 20,773,061.40
  4. Step 4: Simplify right side
    29,842,987.80x = 929,895,326,893,276.38
  5. Step 5: Solve for x
    x = 929,895,326,893,276.38/29,842,987.80
  6. Step 6: Final answer
    x = 31,159,592.10

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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.