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Finding the Fourth Proportional to 59,405.70, 89,036.55 and 34,397.70

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Solution

The fourth proportional to 59,405.70, 89,036.55 and 34,397.70 is: 51,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,405.70 : 89,036.55 = 34,397.70 : x
  2. Step 2: Convert to fraction form
    59,405.70/89,036.55 = 34,397.70/x
  3. Step 3: Cross multiply
    59,405.70x = 89,036.55 × 34,397.70
  4. Step 4: Simplify right side
    59,405.70x = 3,062,652,535.94
  5. Step 5: Solve for x
    x = 3,062,652,535.94/59,405.70
  6. Step 6: Final answer
    x = 51,554.86

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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.