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Finding the Fourth Proportional to 19,148.99, 28,723.49 and 6,002.39

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Solution

The fourth proportional to 19,148.99, 28,723.49 and 6,002.39 is: 9,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.99 : 28,723.49 = 6,002.39 : x
  2. Step 2: Convert to fraction form
    19,148.99/28,723.49 = 6,002.39/x
  3. Step 3: Cross multiply
    19,148.99x = 28,723.49 × 6,002.39
  4. Step 4: Simplify right side
    19,148.99x = 172,409,415.51
  5. Step 5: Solve for x
    x = 172,409,415.51/19,148.99
  6. Step 6: Final answer
    x = 9,003.58

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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.