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Finding the Fourth Proportional to 57,671.04, 79,588.80 and 32,520

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Solution

The fourth proportional to 57,671.04, 79,588.80 and 32,520 is: 44,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.04 : 79,588.80 = 32,520 : x
  2. Step 2: Convert to fraction form
    57,671.04/79,588.80 = 32,520/x
  3. Step 3: Cross multiply
    57,671.04x = 79,588.80 × 32,520
  4. Step 4: Simplify right side
    57,671.04x = 2,588,227,776
  5. Step 5: Solve for x
    x = 2,588,227,776/57,671.04
  6. Step 6: Final answer
    x = 44,879.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.