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Finding the Fourth Proportional to 30,393.90, 45,593.04 and 11,673.95

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Solution

The fourth proportional to 30,393.90, 45,593.04 and 11,673.95 is: 17,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.90 : 45,593.04 = 11,673.95 : x
  2. Step 2: Convert to fraction form
    30,393.90/45,593.04 = 11,673.95/x
  3. Step 3: Cross multiply
    30,393.90x = 45,593.04 × 11,673.95
  4. Step 4: Simplify right side
    30,393.90x = 532,250,641.34
  5. Step 5: Solve for x
    x = 532,250,641.34/30,393.90
  6. Step 6: Final answer
    x = 17,511.76

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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.