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Finding the Fourth Proportional to 57,955.64, 87,011.22 and 34,306.88

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Solution

The fourth proportional to 57,955.64, 87,011.22 and 34,306.88 is: 51,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,955.64 : 87,011.22 = 34,306.88 : x
  2. Step 2: Convert to fraction form
    57,955.64/87,011.22 = 34,306.88/x
  3. Step 3: Cross multiply
    57,955.64x = 87,011.22 × 34,306.88
  4. Step 4: Simplify right side
    57,955.64x = 2,985,083,483.19
  5. Step 5: Solve for x
    x = 2,985,083,483.19/57,955.64
  6. Step 6: Final answer
    x = 51,506.35

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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.