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Finding the Fourth Proportional to 59,400.89, 89,093.90 and 19,416.53

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Solution

The fourth proportional to 59,400.89, 89,093.90 and 19,416.53 is: 29,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,400.89 : 89,093.90 = 19,416.53 : x
  2. Step 2: Convert to fraction form
    59,400.89/89,093.90 = 19,416.53/x
  3. Step 3: Cross multiply
    59,400.89x = 89,093.90 × 19,416.53
  4. Step 4: Simplify right side
    59,400.89x = 1,729,894,430.71
  5. Step 5: Solve for x
    x = 1,729,894,430.71/59,400.89
  6. Step 6: Final answer
    x = 29,122.36

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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.