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Finding the Fourth Proportional to 57,332.43, 86,032.47 and 21,823.65

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Solution

The fourth proportional to 57,332.43, 86,032.47 and 21,823.65 is: 32,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,332.43 : 86,032.47 = 21,823.65 : x
  2. Step 2: Convert to fraction form
    57,332.43/86,032.47 = 21,823.65/x
  3. Step 3: Cross multiply
    57,332.43x = 86,032.47 × 21,823.65
  4. Step 4: Simplify right side
    57,332.43x = 1,877,542,513.92
  5. Step 5: Solve for x
    x = 1,877,542,513.92/57,332.43
  6. Step 6: Final answer
    x = 32,748.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.