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Finding the Fourth Proportional to 12,254.48, 18,349.08 and 8,366.48

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Solution

The fourth proportional to 12,254.48, 18,349.08 and 8,366.48 is: 12,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.48 : 18,349.08 = 8,366.48 : x
  2. Step 2: Convert to fraction form
    12,254.48/18,349.08 = 8,366.48/x
  3. Step 3: Cross multiply
    12,254.48x = 18,349.08 × 8,366.48
  4. Step 4: Simplify right side
    12,254.48x = 153,517,210.84
  5. Step 5: Solve for x
    x = 153,517,210.84/12,254.48
  6. Step 6: Final answer
    x = 12,527.44

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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.