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Finding the Fourth Proportional to 57,511.34, 79,363.68 and 32,355.98

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Solution

The fourth proportional to 57,511.34, 79,363.68 and 32,355.98 is: 44,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,511.34 : 79,363.68 = 32,355.98 : x
  2. Step 2: Convert to fraction form
    57,511.34/79,363.68 = 32,355.98/x
  3. Step 3: Cross multiply
    57,511.34x = 79,363.68 × 32,355.98
  4. Step 4: Simplify right side
    57,511.34x = 2,567,889,245.99
  5. Step 5: Solve for x
    x = 2,567,889,245.99/57,511.34
  6. Step 6: Final answer
    x = 44,650.14

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1.5x scale

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.