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Finding the Fourth Proportional to 5,699.71, 8,548.48 and 2,415.11

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Solution

The fourth proportional to 5,699.71, 8,548.48 and 2,415.11 is: 3,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.71 : 8,548.48 = 2,415.11 : x
  2. Step 2: Convert to fraction form
    5,699.71/8,548.48 = 2,415.11/x
  3. Step 3: Cross multiply
    5,699.71x = 8,548.48 × 2,415.11
  4. Step 4: Simplify right side
    5,699.71x = 20,645,519.53
  5. Step 5: Solve for x
    x = 20,645,519.53/5,699.71
  6. Step 6: Final answer
    x = 3,622.21

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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.