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Finding the Fourth Proportional to 32,364.60, 48,553.02 and 12,641.91

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Solution

The fourth proportional to 32,364.60, 48,553.02 and 12,641.91 is: 18,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,364.60 : 48,553.02 = 12,641.91 : x
  2. Step 2: Convert to fraction form
    32,364.60/48,553.02 = 12,641.91/x
  3. Step 3: Cross multiply
    32,364.60x = 48,553.02 × 12,641.91
  4. Step 4: Simplify right side
    32,364.60x = 613,802,726.99
  5. Step 5: Solve for x
    x = 613,802,726.99/32,364.60
  6. Step 6: Final answer
    x = 18,965.25

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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.