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Finding the Fourth Proportional to 58,572.96, 80,867.92 and 38,465.52

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Solution

The fourth proportional to 58,572.96, 80,867.92 and 38,465.52 is: 53,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.96 : 80,867.92 = 38,465.52 : x
  2. Step 2: Convert to fraction form
    58,572.96/80,867.92 = 38,465.52/x
  3. Step 3: Cross multiply
    58,572.96x = 80,867.92 × 38,465.52
  4. Step 4: Simplify right side
    58,572.96x = 3,110,626,594.12
  5. Step 5: Solve for x
    x = 3,110,626,594.12/58,572.96
  6. Step 6: Final answer
    x = 53,106.87

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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.