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Finding the Fourth Proportional to 9,993.58, 14,914.37 and 8,886.46

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Solution

The fourth proportional to 9,993.58, 14,914.37 and 8,886.46 is: 13,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.58 : 14,914.37 = 8,886.46 : x
  2. Step 2: Convert to fraction form
    9,993.58/14,914.37 = 8,886.46/x
  3. Step 3: Cross multiply
    9,993.58x = 14,914.37 × 8,886.46
  4. Step 4: Simplify right side
    9,993.58x = 132,535,952.43
  5. Step 5: Solve for x
    x = 132,535,952.43/9,993.58
  6. Step 6: Final answer
    x = 13,262.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.