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Finding the Fourth Proportional to 79,595.71, 109,887.44 and 52,774.49

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Solution

The fourth proportional to 79,595.71, 109,887.44 and 52,774.49 is: 72,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,595.71 : 109,887.44 = 52,774.49 : x
  2. Step 2: Convert to fraction form
    79,595.71/109,887.44 = 52,774.49/x
  3. Step 3: Cross multiply
    79,595.71x = 109,887.44 × 52,774.49
  4. Step 4: Simplify right side
    79,595.71x = 5,799,252,996.13
  5. Step 5: Solve for x
    x = 5,799,252,996.13/79,595.71
  6. Step 6: Final answer
    x = 72,858.86

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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.