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Finding the Fourth Proportional to 15,321.03, 22,987.92 and 7,927.16

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Solution

The fourth proportional to 15,321.03, 22,987.92 and 7,927.16 is: 11,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.03 : 22,987.92 = 7,927.16 : x
  2. Step 2: Convert to fraction form
    15,321.03/22,987.92 = 7,927.16/x
  3. Step 3: Cross multiply
    15,321.03x = 22,987.92 × 7,927.16
  4. Step 4: Simplify right side
    15,321.03x = 182,228,804.97
  5. Step 5: Solve for x
    x = 182,228,804.97/15,321.03
  6. Step 6: Final answer
    x = 11,894.03

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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.