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Finding the Fourth Proportional to 5,551.94, 7,665.01 and 3,458.90

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Solution

The fourth proportional to 5,551.94, 7,665.01 and 3,458.90 is: 4,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.94 : 7,665.01 = 3,458.90 : x
  2. Step 2: Convert to fraction form
    5,551.94/7,665.01 = 3,458.90/x
  3. Step 3: Cross multiply
    5,551.94x = 7,665.01 × 3,458.90
  4. Step 4: Simplify right side
    5,551.94x = 26,512,456.12
  5. Step 5: Solve for x
    x = 26,512,456.12/5,551.94
  6. Step 6: Final answer
    x = 4,775.35

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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.