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Finding the Fourth Proportional to 57,338.91, 79,127.78 and 32,188.59

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Solution

The fourth proportional to 57,338.91, 79,127.78 and 32,188.59 is: 44,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,338.91 : 79,127.78 = 32,188.59 : x
  2. Step 2: Convert to fraction form
    57,338.91/79,127.78 = 32,188.59/x
  3. Step 3: Cross multiply
    57,338.91x = 79,127.78 × 32,188.59
  4. Step 4: Simplify right side
    57,338.91x = 2,547,011,507.09
  5. Step 5: Solve for x
    x = 2,547,011,507.09/57,338.91
  6. Step 6: Final answer
    x = 44,420.30

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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.