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Finding the Fourth Proportional to 12,453.65, 18,685.18 and 5,060.07

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Solution

The fourth proportional to 12,453.65, 18,685.18 and 5,060.07 is: 7,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.65 : 18,685.18 = 5,060.07 : x
  2. Step 2: Convert to fraction form
    12,453.65/18,685.18 = 5,060.07/x
  3. Step 3: Cross multiply
    12,453.65x = 18,685.18 × 5,060.07
  4. Step 4: Simplify right side
    12,453.65x = 94,548,325.09
  5. Step 5: Solve for x
    x = 94,548,325.09/12,453.65
  6. Step 6: Final answer
    x = 7,592.02

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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.