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Finding the Fourth Proportional to 19,153.99, 28,730.99 and 6,007.39

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Solution

The fourth proportional to 19,153.99, 28,730.99 and 6,007.39 is: 9,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.99 : 28,730.99 = 6,007.39 : x
  2. Step 2: Convert to fraction form
    19,153.99/28,730.99 = 6,007.39/x
  3. Step 3: Cross multiply
    19,153.99x = 28,730.99 × 6,007.39
  4. Step 4: Simplify right side
    19,153.99x = 172,598,231.98
  5. Step 5: Solve for x
    x = 172,598,231.98/19,153.99
  6. Step 6: Final answer
    x = 9,011.09

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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.