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Finding the Fourth Proportional to 23,187.54, 34,751.07 and 9,328.98

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Solution

The fourth proportional to 23,187.54, 34,751.07 and 9,328.98 is: 13,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.54 : 34,751.07 = 9,328.98 : x
  2. Step 2: Convert to fraction form
    23,187.54/34,751.07 = 9,328.98/x
  3. Step 3: Cross multiply
    23,187.54x = 34,751.07 × 9,328.98
  4. Step 4: Simplify right side
    23,187.54x = 324,192,037.01
  5. Step 5: Solve for x
    x = 324,192,037.01/23,187.54
  6. Step 6: Final answer
    x = 13,981.30

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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.