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Finding the Fourth Proportional to 46,793.80, 70,190.70 and 38,483.20

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Solution

The fourth proportional to 46,793.80, 70,190.70 and 38,483.20 is: 57,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,793.80 : 70,190.70 = 38,483.20 : x
  2. Step 2: Convert to fraction form
    46,793.80/70,190.70 = 38,483.20/x
  3. Step 3: Cross multiply
    46,793.80x = 70,190.70 × 38,483.20
  4. Step 4: Simplify right side
    46,793.80x = 2,701,162,746.24
  5. Step 5: Solve for x
    x = 2,701,162,746.24/46,793.80
  6. Step 6: Final answer
    x = 57,724.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.