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Finding the Fourth Proportional to 70,405.80, 105,586.37 and 23,010.17

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Solution

The fourth proportional to 70,405.80, 105,586.37 and 23,010.17 is: 34,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,405.80 : 105,586.37 = 23,010.17 : x
  2. Step 2: Convert to fraction form
    70,405.80/105,586.37 = 23,010.17/x
  3. Step 3: Cross multiply
    70,405.80x = 105,586.37 × 23,010.17
  4. Step 4: Simplify right side
    70,405.80x = 2,429,560,323.38
  5. Step 5: Solve for x
    x = 2,429,560,323.38/70,405.80
  6. Step 6: Final answer
    x = 34,507.96

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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.