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Finding the Fourth Proportional to 19,233.80, 28,850.70 and 16,641.80

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Solution

The fourth proportional to 19,233.80, 28,850.70 and 16,641.80 is: 24,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.80 : 28,850.70 = 16,641.80 : x
  2. Step 2: Convert to fraction form
    19,233.80/28,850.70 = 16,641.80/x
  3. Step 3: Cross multiply
    19,233.80x = 28,850.70 × 16,641.80
  4. Step 4: Simplify right side
    19,233.80x = 480,127,579.26
  5. Step 5: Solve for x
    x = 480,127,579.26/19,233.80
  6. Step 6: Final answer
    x = 24,962.70

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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.