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Finding the Fourth Proportional to 58,767.61, 80,963.97 and 40,600.93

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Solution

The fourth proportional to 58,767.61, 80,963.97 and 40,600.93 is: 55,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,767.61 : 80,963.97 = 40,600.93 : x
  2. Step 2: Convert to fraction form
    58,767.61/80,963.97 = 40,600.93/x
  3. Step 3: Cross multiply
    58,767.61x = 80,963.97 × 40,600.93
  4. Step 4: Simplify right side
    58,767.61x = 3,287,212,478.49
  5. Step 5: Solve for x
    x = 3,287,212,478.49/58,767.61
  6. Step 6: Final answer
    x = 55,935.79

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1.5x scale

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.