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Finding the Fourth Proportional to 23,471.59, 32,391.22 and 12,716.68

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Solution

The fourth proportional to 23,471.59, 32,391.22 and 12,716.68 is: 17,549.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,471.59 : 32,391.22 = 12,716.68 : x
  2. Step 2: Convert to fraction form
    23,471.59/32,391.22 = 12,716.68/x
  3. Step 3: Cross multiply
    23,471.59x = 32,391.22 × 12,716.68
  4. Step 4: Simplify right side
    23,471.59x = 411,908,779.55
  5. Step 5: Solve for x
    x = 411,908,779.55/23,471.59
  6. Step 6: Final answer
    x = 17,549.25

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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.