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Finding the Fourth Proportional to 14,961.72, 22,434.72 and 6,638.13

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Solution

The fourth proportional to 14,961.72, 22,434.72 and 6,638.13 is: 9,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.72 : 22,434.72 = 6,638.13 : x
  2. Step 2: Convert to fraction form
    14,961.72/22,434.72 = 6,638.13/x
  3. Step 3: Cross multiply
    14,961.72x = 22,434.72 × 6,638.13
  4. Step 4: Simplify right side
    14,961.72x = 148,924,587.87
  5. Step 5: Solve for x
    x = 148,924,587.87/14,961.72
  6. Step 6: Final answer
    x = 9,953.71

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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.