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Finding the Fourth Proportional to 9,993.65, 14,990.45 and 4,073.00

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Solution

The fourth proportional to 9,993.65, 14,990.45 and 4,073.00 is: 6,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.65 : 14,990.45 = 4,073.00 : x
  2. Step 2: Convert to fraction form
    9,993.65/14,990.45 = 4,073.00/x
  3. Step 3: Cross multiply
    9,993.65x = 14,990.45 × 4,073.00
  4. Step 4: Simplify right side
    9,993.65x = 61,056,007.53
  5. Step 5: Solve for x
    x = 61,056,007.53/9,993.65
  6. Step 6: Final answer
    x = 6,109.48

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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.