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Finding the Fourth Proportional to 58,952.28, 81,361.20 and 34,758.72

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Solution

The fourth proportional to 58,952.28, 81,361.20 and 34,758.72 is: 47,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,952.28 : 81,361.20 = 34,758.72 : x
  2. Step 2: Convert to fraction form
    58,952.28/81,361.20 = 34,758.72/x
  3. Step 3: Cross multiply
    58,952.28x = 81,361.20 × 34,758.72
  4. Step 4: Simplify right side
    58,952.28x = 2,828,011,169.66
  5. Step 5: Solve for x
    x = 2,828,011,169.66/58,952.28
  6. Step 6: Final answer
    x = 47,971.19

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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.