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Finding the Fourth Proportional to 12,576.03, 17,354.16 and 6,987.03

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Solution

The fourth proportional to 12,576.03, 17,354.16 and 6,987.03 is: 9,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.03 : 17,354.16 = 6,987.03 : x
  2. Step 2: Convert to fraction form
    12,576.03/17,354.16 = 6,987.03/x
  3. Step 3: Cross multiply
    12,576.03x = 17,354.16 × 6,987.03
  4. Step 4: Simplify right side
    12,576.03x = 121,254,036.54
  5. Step 5: Solve for x
    x = 121,254,036.54/12,576.03
  6. Step 6: Final answer
    x = 9,641.68

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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.