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Finding the Fourth Proportional to 15,076.90, 22,619.14 and 8,842.12

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Solution

The fourth proportional to 15,076.90, 22,619.14 and 8,842.12 is: 13,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.90 : 22,619.14 = 8,842.12 : x
  2. Step 2: Convert to fraction form
    15,076.90/22,619.14 = 8,842.12/x
  3. Step 3: Cross multiply
    15,076.90x = 22,619.14 × 8,842.12
  4. Step 4: Simplify right side
    15,076.90x = 200,001,150.18
  5. Step 5: Solve for x
    x = 200,001,150.18/15,076.90
  6. Step 6: Final answer
    x = 13,265.40

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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.