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Finding the Fourth Proportional to 4,069.80, 5,611.02 and 4,014.72

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Solution

The fourth proportional to 4,069.80, 5,611.02 and 4,014.72 is: 5,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.80 : 5,611.02 = 4,014.72 : x
  2. Step 2: Convert to fraction form
    4,069.80/5,611.02 = 4,014.72/x
  3. Step 3: Cross multiply
    4,069.80x = 5,611.02 × 4,014.72
  4. Step 4: Simplify right side
    4,069.80x = 22,526,674.21
  5. Step 5: Solve for x
    x = 22,526,674.21/4,069.80
  6. Step 6: Final answer
    x = 5,535.08

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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.