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Finding the Fourth Proportional to 67,432.88, 92,807.70 and 49,499.48

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Solution

The fourth proportional to 67,432.88, 92,807.70 and 49,499.48 is: 68,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,432.88 : 92,807.70 = 49,499.48 : x
  2. Step 2: Convert to fraction form
    67,432.88/92,807.70 = 49,499.48/x
  3. Step 3: Cross multiply
    67,432.88x = 92,807.70 × 49,499.48
  4. Step 4: Simplify right side
    67,432.88x = 4,593,932,890.00
  5. Step 5: Solve for x
    x = 4,593,932,890.00/67,432.88
  6. Step 6: Final answer
    x = 68,126.01

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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.