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Finding the Fourth Proportional to 22,973.31, 31,674.11 and 15,002.91

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Solution

The fourth proportional to 22,973.31, 31,674.11 and 15,002.91 is: 20,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,973.31 : 31,674.11 = 15,002.91 : x
  2. Step 2: Convert to fraction form
    22,973.31/31,674.11 = 15,002.91/x
  3. Step 3: Cross multiply
    22,973.31x = 31,674.11 × 15,002.91
  4. Step 4: Simplify right side
    22,973.31x = 475,203,746.65
  5. Step 5: Solve for x
    x = 475,203,746.65/22,973.31
  6. Step 6: Final answer
    x = 20,685.04

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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.