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Finding the Fourth Proportional to 12,582.59, 18,888.46 and 6,750.59

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Solution

The fourth proportional to 12,582.59, 18,888.46 and 6,750.59 is: 10,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.59 : 18,888.46 = 6,750.59 : x
  2. Step 2: Convert to fraction form
    12,582.59/18,888.46 = 6,750.59/x
  3. Step 3: Cross multiply
    12,582.59x = 18,888.46 × 6,750.59
  4. Step 4: Simplify right side
    12,582.59x = 127,508,137.87
  5. Step 5: Solve for x
    x = 127,508,137.87/12,582.59
  6. Step 6: Final answer
    x = 10,133.70

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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.