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Finding the Fourth Proportional to 14,912.52, 20,565.12 and 9,799.04

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Solution

The fourth proportional to 14,912.52, 20,565.12 and 9,799.04 is: 13,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.52 : 20,565.12 = 9,799.04 : x
  2. Step 2: Convert to fraction form
    14,912.52/20,565.12 = 9,799.04/x
  3. Step 3: Cross multiply
    14,912.52x = 20,565.12 × 9,799.04
  4. Step 4: Simplify right side
    14,912.52x = 201,518,433.48
  5. Step 5: Solve for x
    x = 201,518,433.48/14,912.52
  6. Step 6: Final answer
    x = 13,513.37

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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.