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Finding the Fourth Proportional to 60,843.52, 91,268.51 and 18,752.51

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Solution

The fourth proportional to 60,843.52, 91,268.51 and 18,752.51 is: 28,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,843.52 : 91,268.51 = 18,752.51 : x
  2. Step 2: Convert to fraction form
    60,843.52/91,268.51 = 18,752.51/x
  3. Step 3: Cross multiply
    60,843.52x = 91,268.51 × 18,752.51
  4. Step 4: Simplify right side
    60,843.52x = 1,711,513,780.87
  5. Step 5: Solve for x
    x = 1,711,513,780.87/60,843.52
  6. Step 6: Final answer
    x = 28,129.76

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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.