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Finding the Fourth Proportional to 56,335.42, 77,737.48 and 33,669.90

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Solution

The fourth proportional to 56,335.42, 77,737.48 and 33,669.90 is: 46,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335.42 : 77,737.48 = 33,669.90 : x
  2. Step 2: Convert to fraction form
    56,335.42/77,737.48 = 33,669.90/x
  3. Step 3: Cross multiply
    56,335.42x = 77,737.48 × 33,669.90
  4. Step 4: Simplify right side
    56,335.42x = 2,617,413,177.85
  5. Step 5: Solve for x
    x = 2,617,413,177.85/56,335.42
  6. Step 6: Final answer
    x = 46,461.23

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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.