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Finding the Fourth Proportional to 16,993.91, 25,482.93 and 6,465.89

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Solution

The fourth proportional to 16,993.91, 25,482.93 and 6,465.89 is: 9,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.91 : 25,482.93 = 6,465.89 : x
  2. Step 2: Convert to fraction form
    16,993.91/25,482.93 = 6,465.89/x
  3. Step 3: Cross multiply
    16,993.91x = 25,482.93 × 6,465.89
  4. Step 4: Simplify right side
    16,993.91x = 164,769,822.26
  5. Step 5: Solve for x
    x = 164,769,822.26/16,993.91
  6. Step 6: Final answer
    x = 9,695.82

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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.