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Finding the Fourth Proportional to 35,203.52, 48,549.84 and 21,772.64

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Solution

The fourth proportional to 35,203.52, 48,549.84 and 21,772.64 is: 30,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,203.52 : 48,549.84 = 21,772.64 : x
  2. Step 2: Convert to fraction form
    35,203.52/48,549.84 = 21,772.64/x
  3. Step 3: Cross multiply
    35,203.52x = 48,549.84 × 21,772.64
  4. Step 4: Simplify right side
    35,203.52x = 1,057,058,188.38
  5. Step 5: Solve for x
    x = 1,057,058,188.38/35,203.52
  6. Step 6: Final answer
    x = 30,027.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.