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Finding the Fourth Proportional to 12,548, 18,885.03 and 9,444.08

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Solution

The fourth proportional to 12,548, 18,885.03 and 9,444.08 is: 14,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548 : 18,885.03 = 9,444.08 : x
  2. Step 2: Convert to fraction form
    12,548/18,885.03 = 9,444.08/x
  3. Step 3: Cross multiply
    12,548x = 18,885.03 × 9,444.08
  4. Step 4: Simplify right side
    12,548x = 178,351,734.12
  5. Step 5: Solve for x
    x = 178,351,734.12/12,548
  6. Step 6: Final answer
    x = 14,213.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.