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Finding the Fourth Proportional to 6,633.40, 9,950.10 and 1,703.20

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Solution

The fourth proportional to 6,633.40, 9,950.10 and 1,703.20 is: 2,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.40 : 9,950.10 = 1,703.20 : x
  2. Step 2: Convert to fraction form
    6,633.40/9,950.10 = 1,703.20/x
  3. Step 3: Cross multiply
    6,633.40x = 9,950.10 × 1,703.20
  4. Step 4: Simplify right side
    6,633.40x = 16,947,010.32
  5. Step 5: Solve for x
    x = 16,947,010.32/6,633.40
  6. Step 6: Final answer
    x = 2,554.80

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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.