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Finding the Fourth Proportional to 53,480.88, 79,896.29 and 34,607.16

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Solution

The fourth proportional to 53,480.88, 79,896.29 and 34,607.16 is: 51,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.88 : 79,896.29 = 34,607.16 : x
  2. Step 2: Convert to fraction form
    53,480.88/79,896.29 = 34,607.16/x
  3. Step 3: Cross multiply
    53,480.88x = 79,896.29 × 34,607.16
  4. Step 4: Simplify right side
    53,480.88x = 2,764,983,691.44
  5. Step 5: Solve for x
    x = 2,764,983,691.44/53,480.88
  6. Step 6: Final answer
    x = 51,700.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.