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Finding the Fourth Proportional to 35,455.20, 53,182.80 and 29,752.80

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Solution

The fourth proportional to 35,455.20, 53,182.80 and 29,752.80 is: 44,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.20 : 53,182.80 = 29,752.80 : x
  2. Step 2: Convert to fraction form
    35,455.20/53,182.80 = 29,752.80/x
  3. Step 3: Cross multiply
    35,455.20x = 53,182.80 × 29,752.80
  4. Step 4: Simplify right side
    35,455.20x = 1,582,337,211.84
  5. Step 5: Solve for x
    x = 1,582,337,211.84/35,455.20
  6. Step 6: Final answer
    x = 44,629.20

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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.