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Finding the Fourth Proportional to 15,168.96, 22,738.08 and 6,406.08

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Solution

The fourth proportional to 15,168.96, 22,738.08 and 6,406.08 is: 9,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.96 : 22,738.08 = 6,406.08 : x
  2. Step 2: Convert to fraction form
    15,168.96/22,738.08 = 6,406.08/x
  3. Step 3: Cross multiply
    15,168.96x = 22,738.08 × 6,406.08
  4. Step 4: Simplify right side
    15,168.96x = 145,661,959.53
  5. Step 5: Solve for x
    x = 145,661,959.53/15,168.96
  6. Step 6: Final answer
    x = 9,602.63

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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.