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Finding the Fourth Proportional to 60,521.80, 90,830.10 and 41,932.30

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Solution

The fourth proportional to 60,521.80, 90,830.10 and 41,932.30 is: 62,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,521.80 : 90,830.10 = 41,932.30 : x
  2. Step 2: Convert to fraction form
    60,521.80/90,830.10 = 41,932.30/x
  3. Step 3: Cross multiply
    60,521.80x = 90,830.10 × 41,932.30
  4. Step 4: Simplify right side
    60,521.80x = 3,808,715,002.23
  5. Step 5: Solve for x
    x = 3,808,715,002.23/60,521.80
  6. Step 6: Final answer
    x = 62,931.29

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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.