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Finding the Fourth Proportional to 35,528.80, 53,293.20 and 29,048.80

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Solution

The fourth proportional to 35,528.80, 53,293.20 and 29,048.80 is: 43,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.80 : 53,293.20 = 29,048.80 : x
  2. Step 2: Convert to fraction form
    35,528.80/53,293.20 = 29,048.80/x
  3. Step 3: Cross multiply
    35,528.80x = 53,293.20 × 29,048.80
  4. Step 4: Simplify right side
    35,528.80x = 1,548,103,508.16
  5. Step 5: Solve for x
    x = 1,548,103,508.16/35,528.80
  6. Step 6: Final answer
    x = 43,573.20

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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.