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Finding the Fourth Proportional to 59,909.25, 89,863.89 and 18,356.25

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Solution

The fourth proportional to 59,909.25, 89,863.89 and 18,356.25 is: 27,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,909.25 : 89,863.89 = 18,356.25 : x
  2. Step 2: Convert to fraction form
    59,909.25/89,863.89 = 18,356.25/x
  3. Step 3: Cross multiply
    59,909.25x = 89,863.89 × 18,356.25
  4. Step 4: Simplify right side
    59,909.25x = 1,649,564,030.81
  5. Step 5: Solve for x
    x = 1,649,564,030.81/59,909.25
  6. Step 6: Final answer
    x = 27,534.38

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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.