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Finding the Fourth Proportional to 57,251.74, 79,008.21 and 34,587.58

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Solution

The fourth proportional to 57,251.74, 79,008.21 and 34,587.58 is: 47,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,251.74 : 79,008.21 = 34,587.58 : x
  2. Step 2: Convert to fraction form
    57,251.74/79,008.21 = 34,587.58/x
  3. Step 3: Cross multiply
    57,251.74x = 79,008.21 × 34,587.58
  4. Step 4: Simplify right side
    57,251.74x = 2,732,702,784.03
  5. Step 5: Solve for x
    x = 2,732,702,784.03/57,251.74
  6. Step 6: Final answer
    x = 47,731.35

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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.