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Finding the Fourth Proportional to 67,265.40, 100,898.10 and 37,740.90

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Solution

The fourth proportional to 67,265.40, 100,898.10 and 37,740.90 is: 56,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,265.40 : 100,898.10 = 37,740.90 : x
  2. Step 2: Convert to fraction form
    67,265.40/100,898.10 = 37,740.90/x
  3. Step 3: Cross multiply
    67,265.40x = 100,898.10 × 37,740.90
  4. Step 4: Simplify right side
    67,265.40x = 3,807,985,102.29
  5. Step 5: Solve for x
    x = 3,807,985,102.29/67,265.40
  6. Step 6: Final answer
    x = 56,611.35

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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.