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Finding the Fourth Proportional to 58,721.76, 88,065.90 and 16,599.06

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Solution

The fourth proportional to 58,721.76, 88,065.90 and 16,599.06 is: 24,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,721.76 : 88,065.90 = 16,599.06 : x
  2. Step 2: Convert to fraction form
    58,721.76/88,065.90 = 16,599.06/x
  3. Step 3: Cross multiply
    58,721.76x = 88,065.90 × 16,599.06
  4. Step 4: Simplify right side
    58,721.76x = 1,461,811,158.05
  5. Step 5: Solve for x
    x = 1,461,811,158.05/58,721.76
  6. Step 6: Final answer
    x = 24,893.86

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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.