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Finding the Fourth Proportional to 52,677.99, 72,720.03 and 31,160.97

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Solution

The fourth proportional to 52,677.99, 72,720.03 and 31,160.97 is: 43,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,677.99 : 72,720.03 = 31,160.97 : x
  2. Step 2: Convert to fraction form
    52,677.99/72,720.03 = 31,160.97/x
  3. Step 3: Cross multiply
    52,677.99x = 72,720.03 × 31,160.97
  4. Step 4: Simplify right side
    52,677.99x = 2,266,026,673.23
  5. Step 5: Solve for x
    x = 2,266,026,673.23/52,677.99
  6. Step 6: Final answer
    x = 43,016.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.