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Finding the Fourth Proportional to 61,560.82, 92,308.41 and 31,948.84

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Solution

The fourth proportional to 61,560.82, 92,308.41 and 31,948.84 is: 47,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,560.82 : 92,308.41 = 31,948.84 : x
  2. Step 2: Convert to fraction form
    61,560.82/92,308.41 = 31,948.84/x
  3. Step 3: Cross multiply
    61,560.82x = 92,308.41 × 31,948.84
  4. Step 4: Simplify right side
    61,560.82x = 2,949,146,621.74
  5. Step 5: Solve for x
    x = 2,949,146,621.74/61,560.82
  6. Step 6: Final answer
    x = 47,906.23

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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.