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Finding the Fourth Proportional to 67,699.70, 93,396.17 and 40,827.27

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Solution

The fourth proportional to 67,699.70, 93,396.17 and 40,827.27 is: 56,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,699.70 : 93,396.17 = 40,827.27 : x
  2. Step 2: Convert to fraction form
    67,699.70/93,396.17 = 40,827.27/x
  3. Step 3: Cross multiply
    67,699.70x = 93,396.17 × 40,827.27
  4. Step 4: Simplify right side
    67,699.70x = 3,813,111,101.86
  5. Step 5: Solve for x
    x = 3,813,111,101.86/67,699.70
  6. Step 6: Final answer
    x = 56,323.90

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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.