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Finding the Fourth Proportional to 19,262.98, 28,903.64 and 13,348.97

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Solution

The fourth proportional to 19,262.98, 28,903.64 and 13,348.97 is: 20,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.98 : 28,903.64 = 13,348.97 : x
  2. Step 2: Convert to fraction form
    19,262.98/28,903.64 = 13,348.97/x
  3. Step 3: Cross multiply
    19,262.98x = 28,903.64 × 13,348.97
  4. Step 4: Simplify right side
    19,262.98x = 385,833,720.38
  5. Step 5: Solve for x
    x = 385,833,720.38/19,262.98
  6. Step 6: Final answer
    x = 20,029.80

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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.