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Finding the Fourth Proportional to 25,363.53, 38,061.09 and 12,217.23

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Solution

The fourth proportional to 25,363.53, 38,061.09 and 12,217.23 is: 18,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.53 : 38,061.09 = 12,217.23 : x
  2. Step 2: Convert to fraction form
    25,363.53/38,061.09 = 12,217.23/x
  3. Step 3: Cross multiply
    25,363.53x = 38,061.09 × 12,217.23
  4. Step 4: Simplify right side
    25,363.53x = 465,001,090.58
  5. Step 5: Solve for x
    x = 465,001,090.58/25,363.53
  6. Step 6: Final answer
    x = 18,333.45

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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.