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Finding the Fourth Proportional to 15,339.16, 23,003.07 and 9,100.54

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Solution

The fourth proportional to 15,339.16, 23,003.07 and 9,100.54 is: 13,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.16 : 23,003.07 = 9,100.54 : x
  2. Step 2: Convert to fraction form
    15,339.16/23,003.07 = 9,100.54/x
  3. Step 3: Cross multiply
    15,339.16x = 23,003.07 × 9,100.54
  4. Step 4: Simplify right side
    15,339.16x = 209,340,358.66
  5. Step 5: Solve for x
    x = 209,340,358.66/15,339.16
  6. Step 6: Final answer
    x = 13,647.45

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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.