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Finding the Fourth Proportional to 60,438.65, 83,381.46 and 34,940.33

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Solution

The fourth proportional to 60,438.65, 83,381.46 and 34,940.33 is: 48,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,438.65 : 83,381.46 = 34,940.33 : x
  2. Step 2: Convert to fraction form
    60,438.65/83,381.46 = 34,940.33/x
  3. Step 3: Cross multiply
    60,438.65x = 83,381.46 × 34,940.33
  4. Step 4: Simplify right side
    60,438.65x = 2,913,375,136.67
  5. Step 5: Solve for x
    x = 2,913,375,136.67/60,438.65
  6. Step 6: Final answer
    x = 48,203.84

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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.