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Finding the Fourth Proportional to 15,001.34, 20,698.97 and 9,033.40

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Solution

The fourth proportional to 15,001.34, 20,698.97 and 9,033.40 is: 12,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.34 : 20,698.97 = 9,033.40 : x
  2. Step 2: Convert to fraction form
    15,001.34/20,698.97 = 9,033.40/x
  3. Step 3: Cross multiply
    15,001.34x = 20,698.97 × 9,033.40
  4. Step 4: Simplify right side
    15,001.34x = 186,982,046.43
  5. Step 5: Solve for x
    x = 186,982,046.43/15,001.34
  6. Step 6: Final answer
    x = 12,464.35

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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.