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Finding the Fourth Proportional to 24,585.72, 33,928.24 and 13,407.72

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Solution

The fourth proportional to 24,585.72, 33,928.24 and 13,407.72 is: 18,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,585.72 : 33,928.24 = 13,407.72 : x
  2. Step 2: Convert to fraction form
    24,585.72/33,928.24 = 13,407.72/x
  3. Step 3: Cross multiply
    24,585.72x = 33,928.24 × 13,407.72
  4. Step 4: Simplify right side
    24,585.72x = 454,900,342.01
  5. Step 5: Solve for x
    x = 454,900,342.01/24,585.72
  6. Step 6: Final answer
    x = 18,502.62

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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.