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Finding the Fourth Proportional to 12,373.68, 18,561.36 and 4,051.50

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Solution

The fourth proportional to 12,373.68, 18,561.36 and 4,051.50 is: 6,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.68 : 18,561.36 = 4,051.50 : x
  2. Step 2: Convert to fraction form
    12,373.68/18,561.36 = 4,051.50/x
  3. Step 3: Cross multiply
    12,373.68x = 18,561.36 × 4,051.50
  4. Step 4: Simplify right side
    12,373.68x = 75,201,350.04
  5. Step 5: Solve for x
    x = 75,201,350.04/12,373.68
  6. Step 6: Final answer
    x = 6,077.53

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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.