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Finding the Fourth Proportional to 8,542.08, 11,787.12 and 4,816.08

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Solution

The fourth proportional to 8,542.08, 11,787.12 and 4,816.08 is: 6,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.08 : 11,787.12 = 4,816.08 : x
  2. Step 2: Convert to fraction form
    8,542.08/11,787.12 = 4,816.08/x
  3. Step 3: Cross multiply
    8,542.08x = 11,787.12 × 4,816.08
  4. Step 4: Simplify right side
    8,542.08x = 56,767,712.89
  5. Step 5: Solve for x
    x = 56,767,712.89/8,542.08
  6. Step 6: Final answer
    x = 6,645.65

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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.