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Finding the Fourth Proportional to 23,155.15, 34,729.09 and 7,358.10

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Solution

The fourth proportional to 23,155.15, 34,729.09 and 7,358.10 is: 11,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.15 : 34,729.09 = 7,358.10 : x
  2. Step 2: Convert to fraction form
    23,155.15/34,729.09 = 7,358.10/x
  3. Step 3: Cross multiply
    23,155.15x = 34,729.09 × 7,358.10
  4. Step 4: Simplify right side
    23,155.15x = 255,540,066.18
  5. Step 5: Solve for x
    x = 255,540,066.18/23,155.15
  6. Step 6: Final answer
    x = 11,035.99

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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.