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Finding the Fourth Proportional to 6,629.61, 9,943.65 and 1,699.29

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Solution

The fourth proportional to 6,629.61, 9,943.65 and 1,699.29 is: 2,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.61 : 9,943.65 = 1,699.29 : x
  2. Step 2: Convert to fraction form
    6,629.61/9,943.65 = 1,699.29/x
  3. Step 3: Cross multiply
    6,629.61x = 9,943.65 × 1,699.29
  4. Step 4: Simplify right side
    6,629.61x = 16,897,145.01
  5. Step 5: Solve for x
    x = 16,897,145.01/6,629.61
  6. Step 6: Final answer
    x = 2,548.74

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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.