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Finding the Fourth Proportional to 16,904.49, 25,362.74 and 7,543.65

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Solution

The fourth proportional to 16,904.49, 25,362.74 and 7,543.65 is: 11,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.49 : 25,362.74 = 7,543.65 : x
  2. Step 2: Convert to fraction form
    16,904.49/25,362.74 = 7,543.65/x
  3. Step 3: Cross multiply
    16,904.49x = 25,362.74 × 7,543.65
  4. Step 4: Simplify right side
    16,904.49x = 191,327,633.60
  5. Step 5: Solve for x
    x = 191,327,633.60/16,904.49
  6. Step 6: Final answer
    x = 11,318.15

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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.