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Finding the Fourth Proportional to 56,043.53, 77,345.52 and 41,871.77

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Solution

The fourth proportional to 56,043.53, 77,345.52 and 41,871.77 is: 57,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.53 : 77,345.52 = 41,871.77 : x
  2. Step 2: Convert to fraction form
    56,043.53/77,345.52 = 41,871.77/x
  3. Step 3: Cross multiply
    56,043.53x = 77,345.52 × 41,871.77
  4. Step 4: Simplify right side
    56,043.53x = 3,238,593,823.97
  5. Step 5: Solve for x
    x = 3,238,593,823.97/56,043.53
  6. Step 6: Final answer
    x = 57,787.11

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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.