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Finding the Fourth Proportional to 67,217.63, 100,847.63 and 31,677.51

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Solution

The fourth proportional to 67,217.63, 100,847.63 and 31,677.51 is: 47,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,217.63 : 100,847.63 = 31,677.51 : x
  2. Step 2: Convert to fraction form
    67,217.63/100,847.63 = 31,677.51/x
  3. Step 3: Cross multiply
    67,217.63x = 100,847.63 × 31,677.51
  4. Step 4: Simplify right side
    67,217.63x = 3,194,601,807.80
  5. Step 5: Solve for x
    x = 3,194,601,807.80/67,217.63
  6. Step 6: Final answer
    x = 47,526.25

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1.5x scale

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.