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Finding the Fourth Proportional to 72,894.13, 100,591.99 and 41,061.13

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Solution

The fourth proportional to 72,894.13, 100,591.99 and 41,061.13 is: 56,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894.13 : 100,591.99 = 41,061.13 : x
  2. Step 2: Convert to fraction form
    72,894.13/100,591.99 = 41,061.13/x
  3. Step 3: Cross multiply
    72,894.13x = 100,591.99 × 41,061.13
  4. Step 4: Simplify right side
    72,894.13x = 4,130,420,778.35
  5. Step 5: Solve for x
    x = 4,130,420,778.35/72,894.13
  6. Step 6: Final answer
    x = 56,663.28

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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.