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Finding the Fourth Proportional to 14,609.74, 21,908.11 and 9,062.86

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Solution

The fourth proportional to 14,609.74, 21,908.11 and 9,062.86 is: 13,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.74 : 21,908.11 = 9,062.86 : x
  2. Step 2: Convert to fraction form
    14,609.74/21,908.11 = 9,062.86/x
  3. Step 3: Cross multiply
    14,609.74x = 21,908.11 × 9,062.86
  4. Step 4: Simplify right side
    14,609.74x = 198,550,133.79
  5. Step 5: Solve for x
    x = 198,550,133.79/14,609.74
  6. Step 6: Final answer
    x = 13,590.26

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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.