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Finding the Fourth Proportional to 5,653.48, 8,482.81 and 2,878.73

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Solution

The fourth proportional to 5,653.48, 8,482.81 and 2,878.73 is: 4,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.48 : 8,482.81 = 2,878.73 : x
  2. Step 2: Convert to fraction form
    5,653.48/8,482.81 = 2,878.73/x
  3. Step 3: Cross multiply
    5,653.48x = 8,482.81 × 2,878.73
  4. Step 4: Simplify right side
    5,653.48x = 24,419,719.63
  5. Step 5: Solve for x
    x = 24,419,719.63/5,653.48
  6. Step 6: Final answer
    x = 4,319.41

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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.