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Finding the Fourth Proportional to 17,988.08, 26,982.07 and 5,507.93

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Solution

The fourth proportional to 17,988.08, 26,982.07 and 5,507.93 is: 8,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.08 : 26,982.07 = 5,507.93 : x
  2. Step 2: Convert to fraction form
    17,988.08/26,982.07 = 5,507.93/x
  3. Step 3: Cross multiply
    17,988.08x = 26,982.07 × 5,507.93
  4. Step 4: Simplify right side
    17,988.08x = 148,615,406.50
  5. Step 5: Solve for x
    x = 148,615,406.50/17,988.08
  6. Step 6: Final answer
    x = 8,261.88

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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.