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Finding the Fourth Proportional to 61,179.48, 84,427.92 and 34,323.12

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Solution

The fourth proportional to 61,179.48, 84,427.92 and 34,323.12 is: 47,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.48 : 84,427.92 = 34,323.12 : x
  2. Step 2: Convert to fraction form
    61,179.48/84,427.92 = 34,323.12/x
  3. Step 3: Cross multiply
    61,179.48x = 84,427.92 × 34,323.12
  4. Step 4: Simplify right side
    61,179.48x = 2,897,829,629.51
  5. Step 5: Solve for x
    x = 2,897,829,629.51/61,179.48
  6. Step 6: Final answer
    x = 47,366.04

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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.