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Finding the Fourth Proportional to 32,118.70, 48,145.65 and 14,601.10

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Solution

The fourth proportional to 32,118.70, 48,145.65 and 14,601.10 is: 21,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,118.70 : 48,145.65 = 14,601.10 : x
  2. Step 2: Convert to fraction form
    32,118.70/48,145.65 = 14,601.10/x
  3. Step 3: Cross multiply
    32,118.70x = 48,145.65 × 14,601.10
  4. Step 4: Simplify right side
    32,118.70x = 702,979,450.22
  5. Step 5: Solve for x
    x = 702,979,450.22/32,118.70
  6. Step 6: Final answer
    x = 21,886.92

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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.