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Finding the Fourth Proportional to 62,438.75, 93,658.14 and 18,662.75

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Solution

The fourth proportional to 62,438.75, 93,658.14 and 18,662.75 is: 27,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,438.75 : 93,658.14 = 18,662.75 : x
  2. Step 2: Convert to fraction form
    62,438.75/93,658.14 = 18,662.75/x
  3. Step 3: Cross multiply
    62,438.75x = 93,658.14 × 18,662.75
  4. Step 4: Simplify right side
    62,438.75x = 1,747,918,452.29
  5. Step 5: Solve for x
    x = 1,747,918,452.29/62,438.75
  6. Step 6: Final answer
    x = 27,994.13

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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.