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Finding the Fourth Proportional to 57,528, 79,387.04 and 32,034.56

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Solution

The fourth proportional to 57,528, 79,387.04 and 32,034.56 is: 44,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528 : 79,387.04 = 32,034.56 : x
  2. Step 2: Convert to fraction form
    57,528/79,387.04 = 32,034.56/x
  3. Step 3: Cross multiply
    57,528x = 79,387.04 × 32,034.56
  4. Step 4: Simplify right side
    57,528x = 2,543,128,896.10
  5. Step 5: Solve for x
    x = 2,543,128,896.10/57,528
  6. Step 6: Final answer
    x = 44,206.80

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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.