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Finding the Fourth Proportional to 82,963.65, 124,463.70 and 26,794.20

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Solution

The fourth proportional to 82,963.65, 124,463.70 and 26,794.20 is: 40,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,963.65 : 124,463.70 = 26,794.20 : x
  2. Step 2: Convert to fraction form
    82,963.65/124,463.70 = 26,794.20/x
  3. Step 3: Cross multiply
    82,963.65x = 124,463.70 × 26,794.20
  4. Step 4: Simplify right side
    82,963.65x = 3,334,905,270.54
  5. Step 5: Solve for x
    x = 3,334,905,270.54/82,963.65
  6. Step 6: Final answer
    x = 40,197.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.