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Finding the Fourth Proportional to 57,624, 79,521.12 and 32,473.50

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Solution

The fourth proportional to 57,624, 79,521.12 and 32,473.50 is: 44,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,624 : 79,521.12 = 32,473.50 : x
  2. Step 2: Convert to fraction form
    57,624/79,521.12 = 32,473.50/x
  3. Step 3: Cross multiply
    57,624x = 79,521.12 × 32,473.50
  4. Step 4: Simplify right side
    57,624x = 2,582,329,090.32
  5. Step 5: Solve for x
    x = 2,582,329,090.32/57,624
  6. Step 6: Final answer
    x = 44,813.43

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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.