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Finding the Fourth Proportional to 58,578.84, 87,874.17 and 16,459.02

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Solution

The fourth proportional to 58,578.84, 87,874.17 and 16,459.02 is: 24,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,578.84 : 87,874.17 = 16,459.02 : x
  2. Step 2: Convert to fraction form
    58,578.84/87,874.17 = 16,459.02/x
  3. Step 3: Cross multiply
    58,578.84x = 87,874.17 × 16,459.02
  4. Step 4: Simplify right side
    58,578.84x = 1,446,322,721.51
  5. Step 5: Solve for x
    x = 1,446,322,721.51/58,578.84
  6. Step 6: Final answer
    x = 24,690.19

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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.