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Finding the Fourth Proportional to 5,395.86, 7,444.50 and 4,399.42

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Solution

The fourth proportional to 5,395.86, 7,444.50 and 4,399.42 is: 6,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.86 : 7,444.50 = 4,399.42 : x
  2. Step 2: Convert to fraction form
    5,395.86/7,444.50 = 4,399.42/x
  3. Step 3: Cross multiply
    5,395.86x = 7,444.50 × 4,399.42
  4. Step 4: Simplify right side
    5,395.86x = 32,751,482.19
  5. Step 5: Solve for x
    x = 32,751,482.19/5,395.86
  6. Step 6: Final answer
    x = 6,069.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.