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Finding the Fourth Proportional to 61,869.52, 85,380.42 and 33,575.32

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Solution

The fourth proportional to 61,869.52, 85,380.42 and 33,575.32 is: 46,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,869.52 : 85,380.42 = 33,575.32 : x
  2. Step 2: Convert to fraction form
    61,869.52/85,380.42 = 33,575.32/x
  3. Step 3: Cross multiply
    61,869.52x = 85,380.42 × 33,575.32
  4. Step 4: Simplify right side
    61,869.52x = 2,866,674,923.23
  5. Step 5: Solve for x
    x = 2,866,674,923.23/61,869.52
  6. Step 6: Final answer
    x = 46,334.20

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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.