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Finding the Fourth Proportional to 61,701.60, 85,147.20 and 33,407.04

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Solution

The fourth proportional to 61,701.60, 85,147.20 and 33,407.04 is: 46,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.60 : 85,147.20 = 33,407.04 : x
  2. Step 2: Convert to fraction form
    61,701.60/85,147.20 = 33,407.04/x
  3. Step 3: Cross multiply
    61,701.60x = 85,147.20 × 33,407.04
  4. Step 4: Simplify right side
    61,701.60x = 2,844,515,916.29
  5. Step 5: Solve for x
    x = 2,844,515,916.29/61,701.60
  6. Step 6: Final answer
    x = 46,101.17

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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.