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Finding the Fourth Proportional to 5,800.95, 8,005.32 and 3,148.32

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Solution

The fourth proportional to 5,800.95, 8,005.32 and 3,148.32 is: 4,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.95 : 8,005.32 = 3,148.32 : x
  2. Step 2: Convert to fraction form
    5,800.95/8,005.32 = 3,148.32/x
  3. Step 3: Cross multiply
    5,800.95x = 8,005.32 × 3,148.32
  4. Step 4: Simplify right side
    5,800.95x = 25,203,309.06
  5. Step 5: Solve for x
    x = 25,203,309.06/5,800.95
  6. Step 6: Final answer
    x = 4,344.69

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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.