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Finding the Fourth Proportional to 30,773.93, 42,468.30 and 17,343.99

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Solution

The fourth proportional to 30,773.93, 42,468.30 and 17,343.99 is: 23,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,773.93 : 42,468.30 = 17,343.99 : x
  2. Step 2: Convert to fraction form
    30,773.93/42,468.30 = 17,343.99/x
  3. Step 3: Cross multiply
    30,773.93x = 42,468.30 × 17,343.99
  4. Step 4: Simplify right side
    30,773.93x = 736,569,770.52
  5. Step 5: Solve for x
    x = 736,569,770.52/30,773.93
  6. Step 6: Final answer
    x = 23,934.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.