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Finding the Fourth Proportional to 32,423.66, 48,640.52 and 13,703.78

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Solution

The fourth proportional to 32,423.66, 48,640.52 and 13,703.78 is: 20,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,423.66 : 48,640.52 = 13,703.78 : x
  2. Step 2: Convert to fraction form
    32,423.66/48,640.52 = 13,703.78/x
  3. Step 3: Cross multiply
    32,423.66x = 48,640.52 × 13,703.78
  4. Step 4: Simplify right side
    32,423.66x = 666,558,673.44
  5. Step 5: Solve for x
    x = 666,558,673.44/32,423.66
  6. Step 6: Final answer
    x = 20,557.79

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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.