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Finding the Fourth Proportional to 57,617.62, 79,509 and 32,123.14

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Solution

The fourth proportional to 57,617.62, 79,509 and 32,123.14 is: 44,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617.62 : 79,509 = 32,123.14 : x
  2. Step 2: Convert to fraction form
    57,617.62/79,509 = 32,123.14/x
  3. Step 3: Cross multiply
    57,617.62x = 79,509 × 32,123.14
  4. Step 4: Simplify right side
    57,617.62x = 2,554,078,738.26
  5. Step 5: Solve for x
    x = 2,554,078,738.26/57,617.62
  6. Step 6: Final answer
    x = 44,328.08

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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.