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Finding the Fourth Proportional to 53,295.99, 79,951.89 and 17,745.71

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Solution

The fourth proportional to 53,295.99, 79,951.89 and 17,745.71 is: 26,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295.99 : 79,951.89 = 17,745.71 : x
  2. Step 2: Convert to fraction form
    53,295.99/79,951.89 = 17,745.71/x
  3. Step 3: Cross multiply
    53,295.99x = 79,951.89 × 17,745.71
  4. Step 4: Simplify right side
    53,295.99x = 1,418,802,654.13
  5. Step 5: Solve for x
    x = 1,418,802,654.13/53,295.99
  6. Step 6: Final answer
    x = 26,621.19

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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.