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Finding the Fourth Proportional to 54,187.68, 74,764.59 and 37,197.12

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Solution

The fourth proportional to 54,187.68, 74,764.59 and 37,197.12 is: 51,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.68 : 74,764.59 = 37,197.12 : x
  2. Step 2: Convert to fraction form
    54,187.68/74,764.59 = 37,197.12/x
  3. Step 3: Cross multiply
    54,187.68x = 74,764.59 × 37,197.12
  4. Step 4: Simplify right side
    54,187.68x = 2,781,027,425.98
  5. Step 5: Solve for x
    x = 2,781,027,425.98/54,187.68
  6. Step 6: Final answer
    x = 51,322.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.