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Finding the Fourth Proportional to 32,759.64, 49,139.43 and 8,135.64

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Solution

The fourth proportional to 32,759.64, 49,139.43 and 8,135.64 is: 12,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,759.64 : 49,139.43 = 8,135.64 : x
  2. Step 2: Convert to fraction form
    32,759.64/49,139.43 = 8,135.64/x
  3. Step 3: Cross multiply
    32,759.64x = 49,139.43 × 8,135.64
  4. Step 4: Simplify right side
    32,759.64x = 399,780,712.29
  5. Step 5: Solve for x
    x = 399,780,712.29/32,759.64
  6. Step 6: Final answer
    x = 12,203.45

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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.