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Finding the Fourth Proportional to 59,642.40, 89,503.84 and 24,581.28

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Solution

The fourth proportional to 59,642.40, 89,503.84 and 24,581.28 is: 36,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,642.40 : 89,503.84 = 24,581.28 : x
  2. Step 2: Convert to fraction form
    59,642.40/89,503.84 = 24,581.28/x
  3. Step 3: Cross multiply
    59,642.40x = 89,503.84 × 24,581.28
  4. Step 4: Simplify right side
    59,642.40x = 2,200,118,952.12
  5. Step 5: Solve for x
    x = 2,200,118,952.12/59,642.40
  6. Step 6: Final answer
    x = 36,888.50

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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.