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Finding the Fourth Proportional to 58,168.26, 80,223.15 and 47,539.50

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Solution

The fourth proportional to 58,168.26, 80,223.15 and 47,539.50 is: 65,564.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,168.26 : 80,223.15 = 47,539.50 : x
  2. Step 2: Convert to fraction form
    58,168.26/80,223.15 = 47,539.50/x
  3. Step 3: Cross multiply
    58,168.26x = 80,223.15 × 47,539.50
  4. Step 4: Simplify right side
    58,168.26x = 3,813,768,439.43
  5. Step 5: Solve for x
    x = 3,813,768,439.43/58,168.26
  6. Step 6: Final answer
    x = 65,564.42

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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.