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Finding the Fourth Proportional to 57,586.88, 79,422.91 and 48,352.79

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Solution

The fourth proportional to 57,586.88, 79,422.91 and 48,352.79 is: 66,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.88 : 79,422.91 = 48,352.79 : x
  2. Step 2: Convert to fraction form
    57,586.88/79,422.91 = 48,352.79/x
  3. Step 3: Cross multiply
    57,586.88x = 79,422.91 × 48,352.79
  4. Step 4: Simplify right side
    57,586.88x = 3,840,319,366.09
  5. Step 5: Solve for x
    x = 3,840,319,366.09/57,586.88
  6. Step 6: Final answer
    x = 66,687.40

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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.