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Finding the Fourth Proportional to 5,534.77, 7,690.39 and 5,476.99

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Solution

The fourth proportional to 5,534.77, 7,690.39 and 5,476.99 is: 7,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.77 : 7,690.39 = 5,476.99 : x
  2. Step 2: Convert to fraction form
    5,534.77/7,690.39 = 5,476.99/x
  3. Step 3: Cross multiply
    5,534.77x = 7,690.39 × 5,476.99
  4. Step 4: Simplify right side
    5,534.77x = 42,120,150.67
  5. Step 5: Solve for x
    x = 42,120,150.67/5,534.77
  6. Step 6: Final answer
    x = 7,610.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.