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Finding the Fourth Proportional to 15,324.40, 23,008.20 and 9,492.40

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Solution

The fourth proportional to 15,324.40, 23,008.20 and 9,492.40 is: 14,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.40 : 23,008.20 = 9,492.40 : x
  2. Step 2: Convert to fraction form
    15,324.40/23,008.20 = 9,492.40/x
  3. Step 3: Cross multiply
    15,324.40x = 23,008.20 × 9,492.40
  4. Step 4: Simplify right side
    15,324.40x = 218,403,037.68
  5. Step 5: Solve for x
    x = 218,403,037.68/15,324.40
  6. Step 6: Final answer
    x = 14,251.98

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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.