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Finding the Fourth Proportional to 5,969.15, 8,909.90 and 5,529.32

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Solution

The fourth proportional to 5,969.15, 8,909.90 and 5,529.32 is: 8,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969.15 : 8,909.90 = 5,529.32 : x
  2. Step 2: Convert to fraction form
    5,969.15/8,909.90 = 5,529.32/x
  3. Step 3: Cross multiply
    5,969.15x = 8,909.90 × 5,529.32
  4. Step 4: Simplify right side
    5,969.15x = 49,265,616.07
  5. Step 5: Solve for x
    x = 49,265,616.07/5,969.15
  6. Step 6: Final answer
    x = 8,253.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.