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Finding the Fourth Proportional to 61,334.44, 92,001.66 and 19,781.44

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Solution

The fourth proportional to 61,334.44, 92,001.66 and 19,781.44 is: 29,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,334.44 : 92,001.66 = 19,781.44 : x
  2. Step 2: Convert to fraction form
    61,334.44/92,001.66 = 19,781.44/x
  3. Step 3: Cross multiply
    61,334.44x = 92,001.66 × 19,781.44
  4. Step 4: Simplify right side
    61,334.44x = 1,819,925,317.19
  5. Step 5: Solve for x
    x = 1,819,925,317.19/61,334.44
  6. Step 6: Final answer
    x = 29,672.16

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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.