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Finding the Fourth Proportional to 58,820.61, 88,217.66 and 16,699.82

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Solution

The fourth proportional to 58,820.61, 88,217.66 and 16,699.82 is: 25,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,820.61 : 88,217.66 = 16,699.82 : x
  2. Step 2: Convert to fraction form
    58,820.61/88,217.66 = 16,699.82/x
  3. Step 3: Cross multiply
    58,820.61x = 88,217.66 × 16,699.82
  4. Step 4: Simplify right side
    58,820.61x = 1,473,219,045.77
  5. Step 5: Solve for x
    x = 1,473,219,045.77/58,820.61
  6. Step 6: Final answer
    x = 25,045.97

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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.