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Finding the Fourth Proportional to 15,256.26, 22,872.65 and 7,354.71

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Solution

The fourth proportional to 15,256.26, 22,872.65 and 7,354.71 is: 11,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256.26 : 22,872.65 = 7,354.71 : x
  2. Step 2: Convert to fraction form
    15,256.26/22,872.65 = 7,354.71/x
  3. Step 3: Cross multiply
    15,256.26x = 22,872.65 × 7,354.71
  4. Step 4: Simplify right side
    15,256.26x = 168,221,670.91
  5. Step 5: Solve for x
    x = 168,221,670.91/15,256.26
  6. Step 6: Final answer
    x = 11,026.40

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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.