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Finding the Fourth Proportional to 69,997.52, 105,017.46 and 25,012.98

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Solution

The fourth proportional to 69,997.52, 105,017.46 and 25,012.98 is: 37,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.52 : 105,017.46 = 25,012.98 : x
  2. Step 2: Convert to fraction form
    69,997.52/105,017.46 = 25,012.98/x
  3. Step 3: Cross multiply
    69,997.52x = 105,017.46 × 25,012.98
  4. Step 4: Simplify right side
    69,997.52x = 2,626,799,626.63
  5. Step 5: Solve for x
    x = 2,626,799,626.63/69,997.52
  6. Step 6: Final answer
    x = 37,527.04

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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.