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Finding the Fourth Proportional to 61,410.88, 92,165.44 and 31,837.12

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Solution

The fourth proportional to 61,410.88, 92,165.44 and 31,837.12 is: 47,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,410.88 : 92,165.44 = 31,837.12 : x
  2. Step 2: Convert to fraction form
    61,410.88/92,165.44 = 31,837.12/x
  3. Step 3: Cross multiply
    61,410.88x = 92,165.44 × 31,837.12
  4. Step 4: Simplify right side
    61,410.88x = 2,934,282,173.13
  5. Step 5: Solve for x
    x = 2,934,282,173.13/61,410.88
  6. Step 6: Final answer
    x = 47,781.15

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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.