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Finding the Fourth Proportional to 32,579.68, 48,869.16 and 7,955.68

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Solution

The fourth proportional to 32,579.68, 48,869.16 and 7,955.68 is: 11,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,579.68 : 48,869.16 = 7,955.68 : x
  2. Step 2: Convert to fraction form
    32,579.68/48,869.16 = 7,955.68/x
  3. Step 3: Cross multiply
    32,579.68x = 48,869.16 × 7,955.68
  4. Step 4: Simplify right side
    32,579.68x = 388,787,398.83
  5. Step 5: Solve for x
    x = 388,787,398.83/32,579.68
  6. Step 6: Final answer
    x = 11,933.43

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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.