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Finding the Fourth Proportional to 9,693.68, 14,542.54 and 3,124.37

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Solution

The fourth proportional to 9,693.68, 14,542.54 and 3,124.37 is: 4,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.68 : 14,542.54 = 3,124.37 : x
  2. Step 2: Convert to fraction form
    9,693.68/14,542.54 = 3,124.37/x
  3. Step 3: Cross multiply
    9,693.68x = 14,542.54 × 3,124.37
  4. Step 4: Simplify right side
    9,693.68x = 45,436,304.25
  5. Step 5: Solve for x
    x = 45,436,304.25/9,693.68
  6. Step 6: Final answer
    x = 4,687.21

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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.