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Finding the Fourth Proportional to 15,867.36, 23,800.97 and 9,335.12

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Solution

The fourth proportional to 15,867.36, 23,800.97 and 9,335.12 is: 14,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.36 : 23,800.97 = 9,335.12 : x
  2. Step 2: Convert to fraction form
    15,867.36/23,800.97 = 9,335.12/x
  3. Step 3: Cross multiply
    15,867.36x = 23,800.97 × 9,335.12
  4. Step 4: Simplify right side
    15,867.36x = 222,184,815.40
  5. Step 5: Solve for x
    x = 222,184,815.40/15,867.36
  6. Step 6: Final answer
    x = 14,002.63

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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.