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Finding the Fourth Proportional to 15,323.62, 22,989.12 and 5,326.92

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Solution

The fourth proportional to 15,323.62, 22,989.12 and 5,326.92 is: 7,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.62 : 22,989.12 = 5,326.92 : x
  2. Step 2: Convert to fraction form
    15,323.62/22,989.12 = 5,326.92/x
  3. Step 3: Cross multiply
    15,323.62x = 22,989.12 × 5,326.92
  4. Step 4: Simplify right side
    15,323.62x = 122,461,203.11
  5. Step 5: Solve for x
    x = 122,461,203.11/15,323.62
  6. Step 6: Final answer
    x = 7,991.66

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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.