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Finding the Fourth Proportional to 37,155.25, 55,732.88 and 12,531.25

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Solution

The fourth proportional to 37,155.25, 55,732.88 and 12,531.25 is: 18,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.25 : 55,732.88 = 12,531.25 : x
  2. Step 2: Convert to fraction form
    37,155.25/55,732.88 = 12,531.25/x
  3. Step 3: Cross multiply
    37,155.25x = 55,732.88 × 12,531.25
  4. Step 4: Simplify right side
    37,155.25x = 698,402,652.50
  5. Step 5: Solve for x
    x = 698,402,652.50/37,155.25
  6. Step 6: Final answer
    x = 18,796.88

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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.