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Finding the Fourth Proportional to 70,927.50, 106,409.52 and 26,554.89

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Solution

The fourth proportional to 70,927.50, 106,409.52 and 26,554.89 is: 39,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.50 : 106,409.52 = 26,554.89 : x
  2. Step 2: Convert to fraction form
    70,927.50/106,409.52 = 26,554.89/x
  3. Step 3: Cross multiply
    70,927.50x = 106,409.52 × 26,554.89
  4. Step 4: Simplify right side
    70,927.50x = 2,825,693,098.55
  5. Step 5: Solve for x
    x = 2,825,693,098.55/70,927.50
  6. Step 6: Final answer
    x = 39,839.18

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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.