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Finding the Fourth Proportional to 32,572.70, 48,821.30 and 15,005.64

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Solution

The fourth proportional to 32,572.70, 48,821.30 and 15,005.64 is: 22,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,572.70 : 48,821.30 = 15,005.64 : x
  2. Step 2: Convert to fraction form
    32,572.70/48,821.30 = 15,005.64/x
  3. Step 3: Cross multiply
    32,572.70x = 48,821.30 × 15,005.64
  4. Step 4: Simplify right side
    32,572.70x = 732,594,852.13
  5. Step 5: Solve for x
    x = 732,594,852.13/32,572.70
  6. Step 6: Final answer
    x = 22,491.07

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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.