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Finding the Fourth Proportional to 38,972,564.80, 58,409,080.80 and 29,952,404.80

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Solution

The fourth proportional to 38,972,564.80, 58,409,080.80 and 29,952,404.80 is: 44,890,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972,564.80 : 58,409,080.80 = 29,952,404.80 : x
  2. Step 2: Convert to fraction form
    38,972,564.80/58,409,080.80 = 29,952,404.80/x
  3. Step 3: Cross multiply
    38,972,564.80x = 58,409,080.80 × 29,952,404.80
  4. Step 4: Simplify right side
    38,972,564.80x = 1,749,492,432,117,507.75
  5. Step 5: Solve for x
    x = 1,749,492,432,117,507.75/38,972,564.80
  6. Step 6: Final answer
    x = 44,890,359.18

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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.