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Finding the Fourth Proportional to 12,392.67, 18,580.35 and 4,599.39

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Solution

The fourth proportional to 12,392.67, 18,580.35 and 4,599.39 is: 6,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.67 : 18,580.35 = 4,599.39 : x
  2. Step 2: Convert to fraction form
    12,392.67/18,580.35 = 4,599.39/x
  3. Step 3: Cross multiply
    12,392.67x = 18,580.35 × 4,599.39
  4. Step 4: Simplify right side
    12,392.67x = 85,458,275.99
  5. Step 5: Solve for x
    x = 85,458,275.99/12,392.67
  6. Step 6: Final answer
    x = 6,895.87

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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.