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Finding the Fourth Proportional to 61,051.28, 84,252.84 and 34,194.92

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Solution

The fourth proportional to 61,051.28, 84,252.84 and 34,194.92 is: 47,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,051.28 : 84,252.84 = 34,194.92 : x
  2. Step 2: Convert to fraction form
    61,051.28/84,252.84 = 34,194.92/x
  3. Step 3: Cross multiply
    61,051.28x = 84,252.84 × 34,194.92
  4. Step 4: Simplify right side
    61,051.28x = 2,881,019,123.57
  5. Step 5: Solve for x
    x = 2,881,019,123.57/61,051.28
  6. Step 6: Final answer
    x = 47,190.15

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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.