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Finding the Fourth Proportional to 52,218, 72,060.92 and 29,862.48

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Solution

The fourth proportional to 52,218, 72,060.92 and 29,862.48 is: 41,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218 : 72,060.92 = 29,862.48 : x
  2. Step 2: Convert to fraction form
    52,218/72,060.92 = 29,862.48/x
  3. Step 3: Cross multiply
    52,218x = 72,060.92 × 29,862.48
  4. Step 4: Simplify right side
    52,218x = 2,151,917,782.28
  5. Step 5: Solve for x
    x = 2,151,917,782.28/52,218
  6. Step 6: Final answer
    x = 41,210.27

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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.