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Finding the Fourth Proportional to 47,230.04, 65,168.88 and 28,367.48

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Solution

The fourth proportional to 47,230.04, 65,168.88 and 28,367.48 is: 39,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.04 : 65,168.88 = 28,367.48 : x
  2. Step 2: Convert to fraction form
    47,230.04/65,168.88 = 28,367.48/x
  3. Step 3: Cross multiply
    47,230.04x = 65,168.88 × 28,367.48
  4. Step 4: Simplify right side
    47,230.04x = 1,848,676,900.02
  5. Step 5: Solve for x
    x = 1,848,676,900.02/47,230.04
  6. Step 6: Final answer
    x = 39,141.97

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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.