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Finding the Fourth Proportional to 8,551.64, 12,831.53 and 5,923.19

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Solution

The fourth proportional to 8,551.64, 12,831.53 and 5,923.19 is: 8,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.64 : 12,831.53 = 5,923.19 : x
  2. Step 2: Convert to fraction form
    8,551.64/12,831.53 = 5,923.19/x
  3. Step 3: Cross multiply
    8,551.64x = 12,831.53 × 5,923.19
  4. Step 4: Simplify right side
    8,551.64x = 76,003,592.64
  5. Step 5: Solve for x
    x = 76,003,592.64/8,551.64
  6. Step 6: Final answer
    x = 8,887.60

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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.