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Finding the Fourth Proportional to 56,323.73, 77,721.48 and 33,658.22

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Solution

The fourth proportional to 56,323.73, 77,721.48 and 33,658.22 is: 46,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,323.73 : 77,721.48 = 33,658.22 : x
  2. Step 2: Convert to fraction form
    56,323.73/77,721.48 = 33,658.22/x
  3. Step 3: Cross multiply
    56,323.73x = 77,721.48 × 33,658.22
  4. Step 4: Simplify right side
    56,323.73x = 2,615,966,672.57
  5. Step 5: Solve for x
    x = 2,615,966,672.57/56,323.73
  6. Step 6: Final answer
    x = 46,445.20

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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.