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Finding the Fourth Proportional to 59,409.80, 89,114.70 and 36,024.20

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Solution

The fourth proportional to 59,409.80, 89,114.70 and 36,024.20 is: 54,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,409.80 : 89,114.70 = 36,024.20 : x
  2. Step 2: Convert to fraction form
    59,409.80/89,114.70 = 36,024.20/x
  3. Step 3: Cross multiply
    59,409.80x = 89,114.70 × 36,024.20
  4. Step 4: Simplify right side
    59,409.80x = 3,210,285,775.74
  5. Step 5: Solve for x
    x = 3,210,285,775.74/59,409.80
  6. Step 6: Final answer
    x = 54,036.30

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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.