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Finding the Fourth Proportional to 55,671.60, 83,486.66 and 22,380.45

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Solution

The fourth proportional to 55,671.60, 83,486.66 and 22,380.45 is: 33,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.60 : 83,486.66 = 22,380.45 : x
  2. Step 2: Convert to fraction form
    55,671.60/83,486.66 = 22,380.45/x
  3. Step 3: Cross multiply
    55,671.60x = 83,486.66 × 22,380.45
  4. Step 4: Simplify right side
    55,671.60x = 1,868,468,907.89
  5. Step 5: Solve for x
    x = 1,868,468,907.89/55,671.60
  6. Step 6: Final answer
    x = 33,562.34

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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.