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Finding the Fourth Proportional to 17,607.60, 26,254.34 and 15,651.60

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Solution

The fourth proportional to 17,607.60, 26,254.34 and 15,651.60 is: 23,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.60 : 26,254.34 = 15,651.60 : x
  2. Step 2: Convert to fraction form
    17,607.60/26,254.34 = 15,651.60/x
  3. Step 3: Cross multiply
    17,607.60x = 26,254.34 × 15,651.60
  4. Step 4: Simplify right side
    17,607.60x = 410,922,420.86
  5. Step 5: Solve for x
    x = 410,922,420.86/17,607.60
  6. Step 6: Final answer
    x = 23,337.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.