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Finding the Fourth Proportional to 38,953.71, 53,760.15 and 23,856.39

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Solution

The fourth proportional to 38,953.71, 53,760.15 and 23,856.39 is: 32,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.71 : 53,760.15 = 23,856.39 : x
  2. Step 2: Convert to fraction form
    38,953.71/53,760.15 = 23,856.39/x
  3. Step 3: Cross multiply
    38,953.71x = 53,760.15 × 23,856.39
  4. Step 4: Simplify right side
    38,953.71x = 1,282,523,104.86
  5. Step 5: Solve for x
    x = 1,282,523,104.86/38,953.71
  6. Step 6: Final answer
    x = 32,924.29

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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.