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Finding the Fourth Proportional to 17,697.48, 24,420.96 and 10,982.40

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Solution

The fourth proportional to 17,697.48, 24,420.96 and 10,982.40 is: 15,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.48 : 24,420.96 = 10,982.40 : x
  2. Step 2: Convert to fraction form
    17,697.48/24,420.96 = 10,982.40/x
  3. Step 3: Cross multiply
    17,697.48x = 24,420.96 × 10,982.40
  4. Step 4: Simplify right side
    17,697.48x = 268,200,751.10
  5. Step 5: Solve for x
    x = 268,200,751.10/17,697.48
  6. Step 6: Final answer
    x = 15,154.74

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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.