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Finding the Fourth Proportional to 58,934.87, 88,410.45 and 18,954.98

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Solution

The fourth proportional to 58,934.87, 88,410.45 and 18,954.98 is: 28,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,934.87 : 88,410.45 = 18,954.98 : x
  2. Step 2: Convert to fraction form
    58,934.87/88,410.45 = 18,954.98/x
  3. Step 3: Cross multiply
    58,934.87x = 88,410.45 × 18,954.98
  4. Step 4: Simplify right side
    58,934.87x = 1,675,818,216.77
  5. Step 5: Solve for x
    x = 1,675,818,216.77/58,934.87
  6. Step 6: Final answer
    x = 28,435.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.