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Finding the Fourth Proportional to 59,281.80, 88,914.60 and 17,728.80

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Solution

The fourth proportional to 59,281.80, 88,914.60 and 17,728.80 is: 26,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,281.80 : 88,914.60 = 17,728.80 : x
  2. Step 2: Convert to fraction form
    59,281.80/88,914.60 = 17,728.80/x
  3. Step 3: Cross multiply
    59,281.80x = 88,914.60 × 17,728.80
  4. Step 4: Simplify right side
    59,281.80x = 1,576,349,160.48
  5. Step 5: Solve for x
    x = 1,576,349,160.48/59,281.80
  6. Step 6: Final answer
    x = 26,590.78

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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.