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Finding the Fourth Proportional to 69,471.70, 95,870.19 and 37,638.70

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Solution

The fourth proportional to 69,471.70, 95,870.19 and 37,638.70 is: 51,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,471.70 : 95,870.19 = 37,638.70 : x
  2. Step 2: Convert to fraction form
    69,471.70/95,870.19 = 37,638.70/x
  3. Step 3: Cross multiply
    69,471.70x = 95,870.19 × 37,638.70
  4. Step 4: Simplify right side
    69,471.70x = 3,608,429,320.35
  5. Step 5: Solve for x
    x = 3,608,429,320.35/69,471.70
  6. Step 6: Final answer
    x = 51,941.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.