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Finding the Fourth Proportional to 46,363.20, 69,478.20 and 28,822.80

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Solution

The fourth proportional to 46,363.20, 69,478.20 and 28,822.80 is: 43,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,363.20 : 69,478.20 = 28,822.80 : x
  2. Step 2: Convert to fraction form
    46,363.20/69,478.20 = 28,822.80/x
  3. Step 3: Cross multiply
    46,363.20x = 69,478.20 × 28,822.80
  4. Step 4: Simplify right side
    46,363.20x = 2,002,556,262.96
  5. Step 5: Solve for x
    x = 2,002,556,262.96/46,363.20
  6. Step 6: Final answer
    x = 43,192.80

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1.5x scale

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.