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Finding the Fourth Proportional to 58,315.74, 80,472.42 and 32,823.20

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Solution

The fourth proportional to 58,315.74, 80,472.42 and 32,823.20 is: 45,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,315.74 : 80,472.42 = 32,823.20 : x
  2. Step 2: Convert to fraction form
    58,315.74/80,472.42 = 32,823.20/x
  3. Step 3: Cross multiply
    58,315.74x = 80,472.42 × 32,823.20
  4. Step 4: Simplify right side
    58,315.74x = 2,641,361,933.78
  5. Step 5: Solve for x
    x = 2,641,361,933.78/58,315.74
  6. Step 6: Final answer
    x = 45,294.15

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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.