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Finding the Fourth Proportional to 35,374.72, 53,062.88 and 9,079.52

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Solution

The fourth proportional to 35,374.72, 53,062.88 and 9,079.52 is: 13,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.72 : 53,062.88 = 9,079.52 : x
  2. Step 2: Convert to fraction form
    35,374.72/53,062.88 = 9,079.52/x
  3. Step 3: Cross multiply
    35,374.72x = 53,062.88 × 9,079.52
  4. Step 4: Simplify right side
    35,374.72x = 481,785,480.22
  5. Step 5: Solve for x
    x = 481,785,480.22/35,374.72
  6. Step 6: Final answer
    x = 13,619.49

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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.