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Finding the Fourth Proportional to 6,994.67, 9,652.65 and 3,807.95

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Solution

The fourth proportional to 6,994.67, 9,652.65 and 3,807.95 is: 5,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,994.67 : 9,652.65 = 3,807.95 : x
  2. Step 2: Convert to fraction form
    6,994.67/9,652.65 = 3,807.95/x
  3. Step 3: Cross multiply
    6,994.67x = 9,652.65 × 3,807.95
  4. Step 4: Simplify right side
    6,994.67x = 36,756,808.57
  5. Step 5: Solve for x
    x = 36,756,808.57/6,994.67
  6. Step 6: Final answer
    x = 5,254.97

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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.