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Finding the Fourth Proportional to 17,480.16, 24,122.56 and 9,521.88

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Solution

The fourth proportional to 17,480.16, 24,122.56 and 9,521.88 is: 13,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.16 : 24,122.56 = 9,521.88 : x
  2. Step 2: Convert to fraction form
    17,480.16/24,122.56 = 9,521.88/x
  3. Step 3: Cross multiply
    17,480.16x = 24,122.56 × 9,521.88
  4. Step 4: Simplify right side
    17,480.16x = 229,692,121.61
  5. Step 5: Solve for x
    x = 229,692,121.61/17,480.16
  6. Step 6: Final answer
    x = 13,140.16

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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.