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Finding the Fourth Proportional to 15,955.52, 23,933.08 and 7,184.20

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Solution

The fourth proportional to 15,955.52, 23,933.08 and 7,184.20 is: 10,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.52 : 23,933.08 = 7,184.20 : x
  2. Step 2: Convert to fraction form
    15,955.52/23,933.08 = 7,184.20/x
  3. Step 3: Cross multiply
    15,955.52x = 23,933.08 × 7,184.20
  4. Step 4: Simplify right side
    15,955.52x = 171,940,033.34
  5. Step 5: Solve for x
    x = 171,940,033.34/15,955.52
  6. Step 6: Final answer
    x = 10,776.21

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Similar ratio
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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.