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Finding the Fourth Proportional to 67,343.90, 92,934.45 and 37,129.01

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Solution

The fourth proportional to 67,343.90, 92,934.45 and 37,129.01 is: 51,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343.90 : 92,934.45 = 37,129.01 : x
  2. Step 2: Convert to fraction form
    67,343.90/92,934.45 = 37,129.01/x
  3. Step 3: Cross multiply
    67,343.90x = 92,934.45 × 37,129.01
  4. Step 4: Simplify right side
    67,343.90x = 3,450,563,658.72
  5. Step 5: Solve for x
    x = 3,450,563,658.72/67,343.90
  6. Step 6: Final answer
    x = 51,237.96

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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.