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Finding the Fourth Proportional to 4,993.54, 6,883.92 and 3,929.46

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Solution

The fourth proportional to 4,993.54, 6,883.92 and 3,929.46 is: 5,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.54 : 6,883.92 = 3,929.46 : x
  2. Step 2: Convert to fraction form
    4,993.54/6,883.92 = 3,929.46/x
  3. Step 3: Cross multiply
    4,993.54x = 6,883.92 × 3,929.46
  4. Step 4: Simplify right side
    4,993.54x = 27,050,088.28
  5. Step 5: Solve for x
    x = 27,050,088.28/4,993.54
  6. Step 6: Final answer
    x = 5,417.02

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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.