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Finding the Fourth Proportional to 59,712.50, 89,568.76 and 18,159.50

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Solution

The fourth proportional to 59,712.50, 89,568.76 and 18,159.50 is: 27,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,712.50 : 89,568.76 = 18,159.50 : x
  2. Step 2: Convert to fraction form
    59,712.50/89,568.76 = 18,159.50/x
  3. Step 3: Cross multiply
    59,712.50x = 89,568.76 × 18,159.50
  4. Step 4: Simplify right side
    59,712.50x = 1,626,523,897.22
  5. Step 5: Solve for x
    x = 1,626,523,897.22/59,712.50
  6. Step 6: Final answer
    x = 27,239.25

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1.5x scale

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.