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Finding the Fourth Proportional to 16,993.53, 25,482.07 and 7,130.16

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Solution

The fourth proportional to 16,993.53, 25,482.07 and 7,130.16 is: 10,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.53 : 25,482.07 = 7,130.16 : x
  2. Step 2: Convert to fraction form
    16,993.53/25,482.07 = 7,130.16/x
  3. Step 3: Cross multiply
    16,993.53x = 25,482.07 × 7,130.16
  4. Step 4: Simplify right side
    16,993.53x = 181,691,236.23
  5. Step 5: Solve for x
    x = 181,691,236.23/16,993.53
  6. Step 6: Final answer
    x = 10,691.79

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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.