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Finding the Fourth Proportional to 56,119.46, 77,454.89 and 33,459.90

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Solution

The fourth proportional to 56,119.46, 77,454.89 and 33,459.90 is: 46,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.46 : 77,454.89 = 33,459.90 : x
  2. Step 2: Convert to fraction form
    56,119.46/77,454.89 = 33,459.90/x
  3. Step 3: Cross multiply
    56,119.46x = 77,454.89 × 33,459.90
  4. Step 4: Simplify right side
    56,119.46x = 2,591,632,706.61
  5. Step 5: Solve for x
    x = 2,591,632,706.61/56,119.46
  6. Step 6: Final answer
    x = 46,180.65

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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.