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Finding the Fourth Proportional to 52,959.56, 73,085.52 and 29,088.48

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Solution

The fourth proportional to 52,959.56, 73,085.52 and 29,088.48 is: 40,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.56 : 73,085.52 = 29,088.48 : x
  2. Step 2: Convert to fraction form
    52,959.56/73,085.52 = 29,088.48/x
  3. Step 3: Cross multiply
    52,959.56x = 73,085.52 × 29,088.48
  4. Step 4: Simplify right side
    52,959.56x = 2,125,946,686.81
  5. Step 5: Solve for x
    x = 2,125,946,686.81/52,959.56
  6. Step 6: Final answer
    x = 40,142.83

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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.