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Finding the Fourth Proportional to 30,382.68, 41,926.34 and 16,952.88

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Solution

The fourth proportional to 30,382.68, 41,926.34 and 16,952.88 is: 23,393.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.68 : 41,926.34 = 16,952.88 : x
  2. Step 2: Convert to fraction form
    30,382.68/41,926.34 = 16,952.88/x
  3. Step 3: Cross multiply
    30,382.68x = 41,926.34 × 16,952.88
  4. Step 4: Simplify right side
    30,382.68x = 710,772,210.86
  5. Step 5: Solve for x
    x = 710,772,210.86/30,382.68
  6. Step 6: Final answer
    x = 23,393.99

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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.