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Finding the Fourth Proportional to 58,541.84, 87,803.82 and 19,098.90

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Solution

The fourth proportional to 58,541.84, 87,803.82 and 19,098.90 is: 28,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,541.84 : 87,803.82 = 19,098.90 : x
  2. Step 2: Convert to fraction form
    58,541.84/87,803.82 = 19,098.90/x
  3. Step 3: Cross multiply
    58,541.84x = 87,803.82 × 19,098.90
  4. Step 4: Simplify right side
    58,541.84x = 1,676,956,377.80
  5. Step 5: Solve for x
    x = 1,676,956,377.80/58,541.84
  6. Step 6: Final answer
    x = 28,645.43

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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.