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Finding the Fourth Proportional to 60,700.64, 91,077.20 and 32,587.88

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Solution

The fourth proportional to 60,700.64, 91,077.20 and 32,587.88 is: 48,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,700.64 : 91,077.20 = 32,587.88 : x
  2. Step 2: Convert to fraction form
    60,700.64/91,077.20 = 32,587.88/x
  3. Step 3: Cross multiply
    60,700.64x = 91,077.20 × 32,587.88
  4. Step 4: Simplify right side
    60,700.64x = 2,968,012,246.01
  5. Step 5: Solve for x
    x = 2,968,012,246.01/60,700.64
  6. Step 6: Final answer
    x = 48,895.90

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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.