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Finding the Fourth Proportional to 7,993.74, 11,030.19 and 4,636.92

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Solution

The fourth proportional to 7,993.74, 11,030.19 and 4,636.92 is: 6,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.74 : 11,030.19 = 4,636.92 : x
  2. Step 2: Convert to fraction form
    7,993.74/11,030.19 = 4,636.92/x
  3. Step 3: Cross multiply
    7,993.74x = 11,030.19 × 4,636.92
  4. Step 4: Simplify right side
    7,993.74x = 51,146,108.61
  5. Step 5: Solve for x
    x = 51,146,108.61/7,993.74
  6. Step 6: Final answer
    x = 6,398.27

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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.