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Finding the Fourth Proportional to 8,752.54, 12,076.32 and 5,348.68

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Solution

The fourth proportional to 8,752.54, 12,076.32 and 5,348.68 is: 7,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.54 : 12,076.32 = 5,348.68 : x
  2. Step 2: Convert to fraction form
    8,752.54/12,076.32 = 5,348.68/x
  3. Step 3: Cross multiply
    8,752.54x = 12,076.32 × 5,348.68
  4. Step 4: Simplify right side
    8,752.54x = 64,592,371.26
  5. Step 5: Solve for x
    x = 64,592,371.26/8,752.54
  6. Step 6: Final answer
    x = 7,379.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.