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Finding the Fourth Proportional to 5,656.76, 8,473.79 and 2,883.32

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Solution

The fourth proportional to 5,656.76, 8,473.79 and 2,883.32 is: 4,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.76 : 8,473.79 = 2,883.32 : x
  2. Step 2: Convert to fraction form
    5,656.76/8,473.79 = 2,883.32/x
  3. Step 3: Cross multiply
    5,656.76x = 8,473.79 × 2,883.32
  4. Step 4: Simplify right side
    5,656.76x = 24,432,648.18
  5. Step 5: Solve for x
    x = 24,432,648.18/5,656.76
  6. Step 6: Final answer
    x = 4,319.19

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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.