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Finding the Fourth Proportional to 58,850.78, 88,248.44 and 21,384.50

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Solution

The fourth proportional to 58,850.78, 88,248.44 and 21,384.50 is: 32,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,850.78 : 88,248.44 = 21,384.50 : x
  2. Step 2: Convert to fraction form
    58,850.78/88,248.44 = 21,384.50/x
  3. Step 3: Cross multiply
    58,850.78x = 88,248.44 × 21,384.50
  4. Step 4: Simplify right side
    58,850.78x = 1,887,148,765.18
  5. Step 5: Solve for x
    x = 1,887,148,765.18/58,850.78
  6. Step 6: Final answer
    x = 32,066.67

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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.