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Finding the Fourth Proportional to 17,885.01, 24,681.75 and 9,819.03

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Solution

The fourth proportional to 17,885.01, 24,681.75 and 9,819.03 is: 13,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.01 : 24,681.75 = 9,819.03 : x
  2. Step 2: Convert to fraction form
    17,885.01/24,681.75 = 9,819.03/x
  3. Step 3: Cross multiply
    17,885.01x = 24,681.75 × 9,819.03
  4. Step 4: Simplify right side
    17,885.01x = 242,350,843.70
  5. Step 5: Solve for x
    x = 242,350,843.70/17,885.01
  6. Step 6: Final answer
    x = 13,550.50

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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.