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Finding the Fourth Proportional to 59,867.50, 89,801.70 and 26,578.60

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Solution

The fourth proportional to 59,867.50, 89,801.70 and 26,578.60 is: 39,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,867.50 : 89,801.70 = 26,578.60 : x
  2. Step 2: Convert to fraction form
    59,867.50/89,801.70 = 26,578.60/x
  3. Step 3: Cross multiply
    59,867.50x = 89,801.70 × 26,578.60
  4. Step 4: Simplify right side
    59,867.50x = 2,386,803,463.62
  5. Step 5: Solve for x
    x = 2,386,803,463.62/59,867.50
  6. Step 6: Final answer
    x = 39,868.10

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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.