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Finding the Fourth Proportional to 67,113.56, 92,616.72 and 38,835.65

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Solution

The fourth proportional to 67,113.56, 92,616.72 and 38,835.65 is: 53,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.56 : 92,616.72 = 38,835.65 : x
  2. Step 2: Convert to fraction form
    67,113.56/92,616.72 = 38,835.65/x
  3. Step 3: Cross multiply
    67,113.56x = 92,616.72 × 38,835.65
  4. Step 4: Simplify right side
    67,113.56x = 3,596,830,607.98
  5. Step 5: Solve for x
    x = 3,596,830,607.98/67,113.56
  6. Step 6: Final answer
    x = 53,593.20

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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.