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Finding the Fourth Proportional to 53,372.97, 80,070.89 and 15,935.99

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Solution

The fourth proportional to 53,372.97, 80,070.89 and 15,935.99 is: 23,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,372.97 : 80,070.89 = 15,935.99 : x
  2. Step 2: Convert to fraction form
    53,372.97/80,070.89 = 15,935.99/x
  3. Step 3: Cross multiply
    53,372.97x = 80,070.89 × 15,935.99
  4. Step 4: Simplify right side
    53,372.97x = 1,276,008,422.30
  5. Step 5: Solve for x
    x = 1,276,008,422.30/53,372.97
  6. Step 6: Final answer
    x = 23,907.39

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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.