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Finding the Fourth Proportional to 67,612.90, 101,457.82 and 34,334.86

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Solution

The fourth proportional to 67,612.90, 101,457.82 and 34,334.86 is: 51,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,612.90 : 101,457.82 = 34,334.86 : x
  2. Step 2: Convert to fraction form
    67,612.90/101,457.82 = 34,334.86/x
  3. Step 3: Cross multiply
    67,612.90x = 101,457.82 × 34,334.86
  4. Step 4: Simplify right side
    67,612.90x = 3,483,540,045.61
  5. Step 5: Solve for x
    x = 3,483,540,045.61/67,612.90
  6. Step 6: Final answer
    x = 51,521.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.