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Finding the Fourth Proportional to 14,872.26, 22,264.64 and 9,929.64

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Solution

The fourth proportional to 14,872.26, 22,264.64 and 9,929.64 is: 14,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.26 : 22,264.64 = 9,929.64 : x
  2. Step 2: Convert to fraction form
    14,872.26/22,264.64 = 9,929.64/x
  3. Step 3: Cross multiply
    14,872.26x = 22,264.64 × 9,929.64
  4. Step 4: Simplify right side
    14,872.26x = 221,079,859.93
  5. Step 5: Solve for x
    x = 221,079,859.93/14,872.26
  6. Step 6: Final answer
    x = 14,865.25

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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.