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Finding the Fourth Proportional to 5,582.68, 8,366.64 and 3,116.32

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Solution

The fourth proportional to 5,582.68, 8,366.64 and 3,116.32 is: 4,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.68 : 8,366.64 = 3,116.32 : x
  2. Step 2: Convert to fraction form
    5,582.68/8,366.64 = 3,116.32/x
  3. Step 3: Cross multiply
    5,582.68x = 8,366.64 × 3,116.32
  4. Step 4: Simplify right side
    5,582.68x = 26,073,127.56
  5. Step 5: Solve for x
    x = 26,073,127.56/5,582.68
  6. Step 6: Final answer
    x = 4,670.36

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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.