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Finding the Fourth Proportional to 52,130.56, 71,973.44 and 34,257.28

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Solution

The fourth proportional to 52,130.56, 71,973.44 and 34,257.28 is: 47,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.56 : 71,973.44 = 34,257.28 : x
  2. Step 2: Convert to fraction form
    52,130.56/71,973.44 = 34,257.28/x
  3. Step 3: Cross multiply
    52,130.56x = 71,973.44 × 34,257.28
  4. Step 4: Simplify right side
    52,130.56x = 2,465,614,286.64
  5. Step 5: Solve for x
    x = 2,465,614,286.64/52,130.56
  6. Step 6: Final answer
    x = 47,296.91

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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.