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Finding the Fourth Proportional to 6,491.51, 9,734.18 and 3,368.39

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Solution

The fourth proportional to 6,491.51, 9,734.18 and 3,368.39 is: 5,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.51 : 9,734.18 = 3,368.39 : x
  2. Step 2: Convert to fraction form
    6,491.51/9,734.18 = 3,368.39/x
  3. Step 3: Cross multiply
    6,491.51x = 9,734.18 × 3,368.39
  4. Step 4: Simplify right side
    6,491.51x = 32,788,449.06
  5. Step 5: Solve for x
    x = 32,788,449.06/6,491.51
  6. Step 6: Final answer
    x = 5,050.98

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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.