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Finding the Fourth Proportional to 5,362.68, 8,044.08 and 5,078.28

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Solution

The fourth proportional to 5,362.68, 8,044.08 and 5,078.28 is: 7,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.68 : 8,044.08 = 5,078.28 : x
  2. Step 2: Convert to fraction form
    5,362.68/8,044.08 = 5,078.28/x
  3. Step 3: Cross multiply
    5,362.68x = 8,044.08 × 5,078.28
  4. Step 4: Simplify right side
    5,362.68x = 40,850,090.58
  5. Step 5: Solve for x
    x = 40,850,090.58/5,362.68
  6. Step 6: Final answer
    x = 7,617.48

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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.