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Finding the Fourth Proportional to 58,953.28, 81,362.58 and 34,759.72

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Solution

The fourth proportional to 58,953.28, 81,362.58 and 34,759.72 is: 47,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,953.28 : 81,362.58 = 34,759.72 : x
  2. Step 2: Convert to fraction form
    58,953.28/81,362.58 = 34,759.72/x
  3. Step 3: Cross multiply
    58,953.28x = 81,362.58 × 34,759.72
  4. Step 4: Simplify right side
    58,953.28x = 2,828,140,499.28
  5. Step 5: Solve for x
    x = 2,828,140,499.28/58,953.28
  6. Step 6: Final answer
    x = 47,972.57

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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.