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Finding the Fourth Proportional to 67,158.57, 92,681.01 and 36,946.20

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Solution

The fourth proportional to 67,158.57, 92,681.01 and 36,946.20 is: 50,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158.57 : 92,681.01 = 36,946.20 : x
  2. Step 2: Convert to fraction form
    67,158.57/92,681.01 = 36,946.20/x
  3. Step 3: Cross multiply
    67,158.57x = 92,681.01 × 36,946.20
  4. Step 4: Simplify right side
    67,158.57x = 3,424,211,131.66
  5. Step 5: Solve for x
    x = 3,424,211,131.66/67,158.57
  6. Step 6: Final answer
    x = 50,986.96

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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.