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Finding the Fourth Proportional to 67,020.86, 92,488.90 and 36,808.13

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Solution

The fourth proportional to 67,020.86, 92,488.90 and 36,808.13 is: 50,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,020.86 : 92,488.90 = 36,808.13 : x
  2. Step 2: Convert to fraction form
    67,020.86/92,488.90 = 36,808.13/x
  3. Step 3: Cross multiply
    67,020.86x = 92,488.90 × 36,808.13
  4. Step 4: Simplify right side
    67,020.86x = 3,404,343,454.76
  5. Step 5: Solve for x
    x = 3,404,343,454.76/67,020.86
  6. Step 6: Final answer
    x = 50,795.28

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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.