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Finding the Fourth Proportional to 30,329.36, 45,498.99 and 9,548

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Solution

The fourth proportional to 30,329.36, 45,498.99 and 9,548 is: 14,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.36 : 45,498.99 = 9,548 : x
  2. Step 2: Convert to fraction form
    30,329.36/45,498.99 = 9,548/x
  3. Step 3: Cross multiply
    30,329.36x = 45,498.99 × 9,548
  4. Step 4: Simplify right side
    30,329.36x = 434,424,356.52
  5. Step 5: Solve for x
    x = 434,424,356.52/30,329.36
  6. Step 6: Final answer
    x = 14,323.56

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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.