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Finding the Fourth Proportional to 12,373.84, 18,563.68 and 4,053.84

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Solution

The fourth proportional to 12,373.84, 18,563.68 and 4,053.84 is: 6,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.84 : 18,563.68 = 4,053.84 : x
  2. Step 2: Convert to fraction form
    12,373.84/18,563.68 = 4,053.84/x
  3. Step 3: Cross multiply
    12,373.84x = 18,563.68 × 4,053.84
  4. Step 4: Simplify right side
    12,373.84x = 75,254,188.53
  5. Step 5: Solve for x
    x = 75,254,188.53/12,373.84
  6. Step 6: Final answer
    x = 6,081.72

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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.