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Finding the Fourth Proportional to 17,902.40, 26,847.84 and 15,598.40

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Solution

The fourth proportional to 17,902.40, 26,847.84 and 15,598.40 is: 23,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.40 : 26,847.84 = 15,598.40 : x
  2. Step 2: Convert to fraction form
    17,902.40/26,847.84 = 15,598.40/x
  3. Step 3: Cross multiply
    17,902.40x = 26,847.84 × 15,598.40
  4. Step 4: Simplify right side
    17,902.40x = 418,783,347.46
  5. Step 5: Solve for x
    x = 418,783,347.46/17,902.40
  6. Step 6: Final answer
    x = 23,392.58

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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.