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Finding the Fourth Proportional to 69,472.02, 95,870.76 and 39,256.80

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Solution

The fourth proportional to 69,472.02, 95,870.76 and 39,256.80 is: 54,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,472.02 : 95,870.76 = 39,256.80 : x
  2. Step 2: Convert to fraction form
    69,472.02/95,870.76 = 39,256.80/x
  3. Step 3: Cross multiply
    69,472.02x = 95,870.76 × 39,256.80
  4. Step 4: Simplify right side
    69,472.02x = 3,763,579,251.17
  5. Step 5: Solve for x
    x = 3,763,579,251.17/69,472.02
  6. Step 6: Final answer
    x = 54,174.03

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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.