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Finding the Fourth Proportional to 15,503.99, 23,255.99 and 6,734.12

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Solution

The fourth proportional to 15,503.99, 23,255.99 and 6,734.12 is: 10,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.99 : 23,255.99 = 6,734.12 : x
  2. Step 2: Convert to fraction form
    15,503.99/23,255.99 = 6,734.12/x
  3. Step 3: Cross multiply
    15,503.99x = 23,255.99 × 6,734.12
  4. Step 4: Simplify right side
    15,503.99x = 156,608,477.43
  5. Step 5: Solve for x
    x = 156,608,477.43/15,503.99
  6. Step 6: Final answer
    x = 10,101.18

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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.