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Finding the Fourth Proportional to 58,935.87, 88,411.95 and 18,955.98

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Solution

The fourth proportional to 58,935.87, 88,411.95 and 18,955.98 is: 28,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,935.87 : 88,411.95 = 18,955.98 : x
  2. Step 2: Convert to fraction form
    58,935.87/88,411.95 = 18,955.98/x
  3. Step 3: Cross multiply
    58,935.87x = 88,411.95 × 18,955.98
  4. Step 4: Simplify right side
    58,935.87x = 1,675,935,155.96
  5. Step 5: Solve for x
    x = 1,675,935,155.96/58,935.87
  6. Step 6: Final answer
    x = 28,436.59

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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.