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Finding the Fourth Proportional to 67,269.76, 92,877 and 41,814.16

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Solution

The fourth proportional to 67,269.76, 92,877 and 41,814.16 is: 57,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,269.76 : 92,877 = 41,814.16 : x
  2. Step 2: Convert to fraction form
    67,269.76/92,877 = 41,814.16/x
  3. Step 3: Cross multiply
    67,269.76x = 92,877 × 41,814.16
  4. Step 4: Simplify right side
    67,269.76x = 3,883,573,738.32
  5. Step 5: Solve for x
    x = 3,883,573,738.32/67,269.76
  6. Step 6: Final answer
    x = 57,731.35

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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.