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Finding the Fourth Proportional to 15,332.72, 22,964.84 and 13,332.72

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Solution

The fourth proportional to 15,332.72, 22,964.84 and 13,332.72 is: 19,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.72 : 22,964.84 = 13,332.72 : x
  2. Step 2: Convert to fraction form
    15,332.72/22,964.84 = 13,332.72/x
  3. Step 3: Cross multiply
    15,332.72x = 22,964.84 × 13,332.72
  4. Step 4: Simplify right side
    15,332.72x = 306,183,781.56
  5. Step 5: Solve for x
    x = 306,183,781.56/15,332.72
  6. Step 6: Final answer
    x = 19,969.31

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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.