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Finding the Fourth Proportional to 19,095.62, 28,643.42 and 5,949.05

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Solution

The fourth proportional to 19,095.62, 28,643.42 and 5,949.05 is: 8,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.62 : 28,643.42 = 5,949.05 : x
  2. Step 2: Convert to fraction form
    19,095.62/28,643.42 = 5,949.05/x
  3. Step 3: Cross multiply
    19,095.62x = 28,643.42 × 5,949.05
  4. Step 4: Simplify right side
    19,095.62x = 170,401,009.41
  5. Step 5: Solve for x
    x = 170,401,009.41/19,095.62
  6. Step 6: Final answer
    x = 8,923.57

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Similar ratio
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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.