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Finding the Fourth Proportional to 7,133.80, 10,701.02 and 3,670.12

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Solution

The fourth proportional to 7,133.80, 10,701.02 and 3,670.12 is: 5,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.80 : 10,701.02 = 3,670.12 : x
  2. Step 2: Convert to fraction form
    7,133.80/10,701.02 = 3,670.12/x
  3. Step 3: Cross multiply
    7,133.80x = 10,701.02 × 3,670.12
  4. Step 4: Simplify right side
    7,133.80x = 39,274,027.52
  5. Step 5: Solve for x
    x = 39,274,027.52/7,133.80
  6. Step 6: Final answer
    x = 5,505.34

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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.