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Finding the Fourth Proportional to 67,678.76, 93,396.90 and 36,633.99

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Solution

The fourth proportional to 67,678.76, 93,396.90 and 36,633.99 is: 50,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,678.76 : 93,396.90 = 36,633.99 : x
  2. Step 2: Convert to fraction form
    67,678.76/93,396.90 = 36,633.99/x
  3. Step 3: Cross multiply
    67,678.76x = 93,396.90 × 36,633.99
  4. Step 4: Simplify right side
    67,678.76x = 3,421,501,100.63
  5. Step 5: Solve for x
    x = 3,421,501,100.63/67,678.76
  6. Step 6: Final answer
    x = 50,555.02

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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.