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Finding the Fourth Proportional to 58,869.84, 88,251.34 and 21,403.44

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Solution

The fourth proportional to 58,869.84, 88,251.34 and 21,403.44 is: 32,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,869.84 : 88,251.34 = 21,403.44 : x
  2. Step 2: Convert to fraction form
    58,869.84/88,251.34 = 21,403.44/x
  3. Step 3: Cross multiply
    58,869.84x = 88,251.34 × 21,403.44
  4. Step 4: Simplify right side
    58,869.84x = 1,888,882,247.23
  5. Step 5: Solve for x
    x = 1,888,882,247.23/58,869.84
  6. Step 6: Final answer
    x = 32,085.74

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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.