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Finding the Fourth Proportional to 22,966,085.70, 34,449,128.55 and 20,840,321.70

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Solution

The fourth proportional to 22,966,085.70, 34,449,128.55 and 20,840,321.70 is: 31,260,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,966,085.70 : 34,449,128.55 = 20,840,321.70 : x
  2. Step 2: Convert to fraction form
    22,966,085.70/34,449,128.55 = 20,840,321.70/x
  3. Step 3: Cross multiply
    22,966,085.70x = 34,449,128.55 × 20,840,321.70
  4. Step 4: Simplify right side
    22,966,085.70x = 717,930,921,266,654.50
  5. Step 5: Solve for x
    x = 717,930,921,266,654.50/22,966,085.70
  6. Step 6: Final answer
    x = 31,260,482.55

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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.