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Finding the Fourth Proportional to 58,224, 80,353.28 and 32,385.60

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Solution

The fourth proportional to 58,224, 80,353.28 and 32,385.60 is: 44,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,224 : 80,353.28 = 32,385.60 : x
  2. Step 2: Convert to fraction form
    58,224/80,353.28 = 32,385.60/x
  3. Step 3: Cross multiply
    58,224x = 80,353.28 × 32,385.60
  4. Step 4: Simplify right side
    58,224x = 2,602,289,184.77
  5. Step 5: Solve for x
    x = 2,602,289,184.77/58,224
  6. Step 6: Final answer
    x = 44,694.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.