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Finding the Fourth Proportional to 58,611.96, 87,916.74 and 14,238.96

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Solution

The fourth proportional to 58,611.96, 87,916.74 and 14,238.96 is: 21,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.96 : 87,916.74 = 14,238.96 : x
  2. Step 2: Convert to fraction form
    58,611.96/87,916.74 = 14,238.96/x
  3. Step 3: Cross multiply
    58,611.96x = 87,916.74 × 14,238.96
  4. Step 4: Simplify right side
    58,611.96x = 1,251,842,944.19
  5. Step 5: Solve for x
    x = 1,251,842,944.19/58,611.96
  6. Step 6: Final answer
    x = 21,358.15

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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.