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Finding the Fourth Proportional to 61,266.88, 84,533.52 and 35,765.92

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Solution

The fourth proportional to 61,266.88, 84,533.52 and 35,765.92 is: 49,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,266.88 : 84,533.52 = 35,765.92 : x
  2. Step 2: Convert to fraction form
    61,266.88/84,533.52 = 35,765.92/x
  3. Step 3: Cross multiply
    61,266.88x = 84,533.52 × 35,765.92
  4. Step 4: Simplify right side
    61,266.88x = 3,023,419,113.64
  5. Step 5: Solve for x
    x = 3,023,419,113.64/61,266.88
  6. Step 6: Final answer
    x = 49,348.34

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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.