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Finding the Fourth Proportional to 57,053.34, 85,574.61 and 17,599.86

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Solution

The fourth proportional to 57,053.34, 85,574.61 and 17,599.86 is: 26,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,053.34 : 85,574.61 = 17,599.86 : x
  2. Step 2: Convert to fraction form
    57,053.34/85,574.61 = 17,599.86/x
  3. Step 3: Cross multiply
    57,053.34x = 85,574.61 × 17,599.86
  4. Step 4: Simplify right side
    57,053.34x = 1,506,101,155.55
  5. Step 5: Solve for x
    x = 1,506,101,155.55/57,053.34
  6. Step 6: Final answer
    x = 26,398.12

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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.