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Finding the Fourth Proportional to 79,551.99, 109,805.46 and 52,349.05

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Solution

The fourth proportional to 79,551.99, 109,805.46 and 52,349.05 is: 72,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,551.99 : 109,805.46 = 52,349.05 : x
  2. Step 2: Convert to fraction form
    79,551.99/109,805.46 = 52,349.05/x
  3. Step 3: Cross multiply
    79,551.99x = 109,805.46 × 52,349.05
  4. Step 4: Simplify right side
    79,551.99x = 5,748,211,515.81
  5. Step 5: Solve for x
    x = 5,748,211,515.81/79,551.99
  6. Step 6: Final answer
    x = 72,257.29

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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.