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Finding the Fourth Proportional to 19,236.48, 28,865.52 and 8,849.04

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Solution

The fourth proportional to 19,236.48, 28,865.52 and 8,849.04 is: 13,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.48 : 28,865.52 = 8,849.04 : x
  2. Step 2: Convert to fraction form
    19,236.48/28,865.52 = 8,849.04/x
  3. Step 3: Cross multiply
    19,236.48x = 28,865.52 × 8,849.04
  4. Step 4: Simplify right side
    19,236.48x = 255,432,141.10
  5. Step 5: Solve for x
    x = 255,432,141.10/19,236.48
  6. Step 6: Final answer
    x = 13,278.53

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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.