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Finding the Fourth Proportional to 5,887.42, 8,811.90 and 4,327.01

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Solution

The fourth proportional to 5,887.42, 8,811.90 and 4,327.01 is: 6,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.42 : 8,811.90 = 4,327.01 : x
  2. Step 2: Convert to fraction form
    5,887.42/8,811.90 = 4,327.01/x
  3. Step 3: Cross multiply
    5,887.42x = 8,811.90 × 4,327.01
  4. Step 4: Simplify right side
    5,887.42x = 38,129,168.40
  5. Step 5: Solve for x
    x = 38,129,168.40/5,887.42
  6. Step 6: Final answer
    x = 6,476.38

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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.