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Finding the Fourth Proportional to 17,697.42, 26,545.86 and 4,549.68

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Solution

The fourth proportional to 17,697.42, 26,545.86 and 4,549.68 is: 6,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.42 : 26,545.86 = 4,549.68 : x
  2. Step 2: Convert to fraction form
    17,697.42/26,545.86 = 4,549.68/x
  3. Step 3: Cross multiply
    17,697.42x = 26,545.86 × 4,549.68
  4. Step 4: Simplify right side
    17,697.42x = 120,775,168.32
  5. Step 5: Solve for x
    x = 120,775,168.32/17,697.42
  6. Step 6: Final answer
    x = 6,824.45

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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.