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Finding the Fourth Proportional to 15,292.84, 22,919.92 and 8,722.74

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Solution

The fourth proportional to 15,292.84, 22,919.92 and 8,722.74 is: 13,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.84 : 22,919.92 = 8,722.74 : x
  2. Step 2: Convert to fraction form
    15,292.84/22,919.92 = 8,722.74/x
  3. Step 3: Cross multiply
    15,292.84x = 22,919.92 × 8,722.74
  4. Step 4: Simplify right side
    15,292.84x = 199,924,502.98
  5. Step 5: Solve for x
    x = 199,924,502.98/15,292.84
  6. Step 6: Final answer
    x = 13,073.08

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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.