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Finding the Fourth Proportional to 61,838.60, 85,334.96 and 33,543.68

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Solution

The fourth proportional to 61,838.60, 85,334.96 and 33,543.68 is: 46,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,838.60 : 85,334.96 = 33,543.68 : x
  2. Step 2: Convert to fraction form
    61,838.60/85,334.96 = 33,543.68/x
  3. Step 3: Cross multiply
    61,838.60x = 85,334.96 × 33,543.68
  4. Step 4: Simplify right side
    61,838.60x = 2,862,448,591.05
  5. Step 5: Solve for x
    x = 2,862,448,591.05/61,838.60
  6. Step 6: Final answer
    x = 46,289.03

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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.