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Finding the Fourth Proportional to 52,648.93, 72,655.52 and 29,990.03

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Solution

The fourth proportional to 52,648.93, 72,655.52 and 29,990.03 is: 41,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.93 : 72,655.52 = 29,990.03 : x
  2. Step 2: Convert to fraction form
    52,648.93/72,655.52 = 29,990.03/x
  3. Step 3: Cross multiply
    52,648.93x = 72,655.52 × 29,990.03
  4. Step 4: Simplify right side
    52,648.93x = 2,178,940,711.24
  5. Step 5: Solve for x
    x = 2,178,940,711.24/52,648.93
  6. Step 6: Final answer
    x = 41,386.23

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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.