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Finding the Fourth Proportional to 23,615, 32,585.86 and 13,542.92

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Solution

The fourth proportional to 23,615, 32,585.86 and 13,542.92 is: 18,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,615 : 32,585.86 = 13,542.92 : x
  2. Step 2: Convert to fraction form
    23,615/32,585.86 = 13,542.92/x
  3. Step 3: Cross multiply
    23,615x = 32,585.86 × 13,542.92
  4. Step 4: Simplify right side
    23,615x = 441,307,695.11
  5. Step 5: Solve for x
    x = 441,307,695.11/23,615
  6. Step 6: Final answer
    x = 18,687.60

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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.