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Finding the Fourth Proportional to 43,360.62, 65,042.82 and 14,917.16

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Solution

The fourth proportional to 43,360.62, 65,042.82 and 14,917.16 is: 22,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.62 : 65,042.82 = 14,917.16 : x
  2. Step 2: Convert to fraction form
    43,360.62/65,042.82 = 14,917.16/x
  3. Step 3: Cross multiply
    43,360.62x = 65,042.82 × 14,917.16
  4. Step 4: Simplify right side
    43,360.62x = 970,254,357.35
  5. Step 5: Solve for x
    x = 970,254,357.35/43,360.62
  6. Step 6: Final answer
    x = 22,376.40

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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.