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Finding the Fourth Proportional to 18,041.52, 24,904.64 and 15,513.48

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Solution

The fourth proportional to 18,041.52, 24,904.64 and 15,513.48 is: 21,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.52 : 24,904.64 = 15,513.48 : x
  2. Step 2: Convert to fraction form
    18,041.52/24,904.64 = 15,513.48/x
  3. Step 3: Cross multiply
    18,041.52x = 24,904.64 × 15,513.48
  4. Step 4: Simplify right side
    18,041.52x = 386,357,634.55
  5. Step 5: Solve for x
    x = 386,357,634.55/18,041.52
  6. Step 6: Final answer
    x = 21,414.92

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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.