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Finding the Fourth Proportional to 8,993.83, 13,490.74 and 4,835.79

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Solution

The fourth proportional to 8,993.83, 13,490.74 and 4,835.79 is: 7,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.83 : 13,490.74 = 4,835.79 : x
  2. Step 2: Convert to fraction form
    8,993.83/13,490.74 = 4,835.79/x
  3. Step 3: Cross multiply
    8,993.83x = 13,490.74 × 4,835.79
  4. Step 4: Simplify right side
    8,993.83x = 65,238,385.58
  5. Step 5: Solve for x
    x = 65,238,385.58/8,993.83
  6. Step 6: Final answer
    x = 7,253.69

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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.