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Finding the Fourth Proportional to 76,713.96, 115,098.57 and 26,801.40

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Solution

The fourth proportional to 76,713.96, 115,098.57 and 26,801.40 is: 40,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,713.96 : 115,098.57 = 26,801.40 : x
  2. Step 2: Convert to fraction form
    76,713.96/115,098.57 = 26,801.40/x
  3. Step 3: Cross multiply
    76,713.96x = 115,098.57 × 26,801.40
  4. Step 4: Simplify right side
    76,713.96x = 3,084,802,814.00
  5. Step 5: Solve for x
    x = 3,084,802,814.00/76,713.96
  6. Step 6: Final answer
    x = 40,211.75

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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.