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Finding the Fourth Proportional to 6,241.72, 8,603.67 and 4,913.68

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Solution

The fourth proportional to 6,241.72, 8,603.67 and 4,913.68 is: 6,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.72 : 8,603.67 = 4,913.68 : x
  2. Step 2: Convert to fraction form
    6,241.72/8,603.67 = 4,913.68/x
  3. Step 3: Cross multiply
    6,241.72x = 8,603.67 × 4,913.68
  4. Step 4: Simplify right side
    6,241.72x = 42,275,681.21
  5. Step 5: Solve for x
    x = 42,275,681.21/6,241.72
  6. Step 6: Final answer
    x = 6,773.08

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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.