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Finding the Fourth Proportional to 67,000.29, 100,369.77 and 37,328.77

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Solution

The fourth proportional to 67,000.29, 100,369.77 and 37,328.77 is: 55,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,000.29 : 100,369.77 = 37,328.77 : x
  2. Step 2: Convert to fraction form
    67,000.29/100,369.77 = 37,328.77/x
  3. Step 3: Cross multiply
    67,000.29x = 100,369.77 × 37,328.77
  4. Step 4: Simplify right side
    67,000.29x = 3,746,680,059.28
  5. Step 5: Solve for x
    x = 3,746,680,059.28/67,000.29
  6. Step 6: Final answer
    x = 55,920.36

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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.