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Finding the Fourth Proportional to 5,887.79, 8,831.68 and 1,505.13

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Solution

The fourth proportional to 5,887.79, 8,831.68 and 1,505.13 is: 2,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.79 : 8,831.68 = 1,505.13 : x
  2. Step 2: Convert to fraction form
    5,887.79/8,831.68 = 1,505.13/x
  3. Step 3: Cross multiply
    5,887.79x = 8,831.68 × 1,505.13
  4. Step 4: Simplify right side
    5,887.79x = 13,292,847.78
  5. Step 5: Solve for x
    x = 13,292,847.78/5,887.79
  6. Step 6: Final answer
    x = 2,257.70

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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.