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Finding the Fourth Proportional to 6,612.03, 9,919.87 and 5,886.68

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Solution

The fourth proportional to 6,612.03, 9,919.87 and 5,886.68 is: 8,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.03 : 9,919.87 = 5,886.68 : x
  2. Step 2: Convert to fraction form
    6,612.03/9,919.87 = 5,886.68/x
  3. Step 3: Cross multiply
    6,612.03x = 9,919.87 × 5,886.68
  4. Step 4: Simplify right side
    6,612.03x = 58,395,036.02
  5. Step 5: Solve for x
    x = 58,395,036.02/6,612.03
  6. Step 6: Final answer
    x = 8,831.64

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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.