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Finding the Fourth Proportional to 32,111.80, 48,166.80 and 14,581.60

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Solution

The fourth proportional to 32,111.80, 48,166.80 and 14,581.60 is: 21,871.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,111.80 : 48,166.80 = 14,581.60 : x
  2. Step 2: Convert to fraction form
    32,111.80/48,166.80 = 14,581.60/x
  3. Step 3: Cross multiply
    32,111.80x = 48,166.80 × 14,581.60
  4. Step 4: Simplify right side
    32,111.80x = 702,349,010.88
  5. Step 5: Solve for x
    x = 702,349,010.88/32,111.80
  6. Step 6: Final answer
    x = 21,871.99

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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.