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Finding the Fourth Proportional to 19,503.84, 29,187.72 and 15,952.80

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Solution

The fourth proportional to 19,503.84, 29,187.72 and 15,952.80 is: 23,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.84 : 29,187.72 = 15,952.80 : x
  2. Step 2: Convert to fraction form
    19,503.84/29,187.72 = 15,952.80/x
  3. Step 3: Cross multiply
    19,503.84x = 29,187.72 × 15,952.80
  4. Step 4: Simplify right side
    19,503.84x = 465,625,859.62
  5. Step 5: Solve for x
    x = 465,625,859.62/19,503.84
  6. Step 6: Final answer
    x = 23,873.55

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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.