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Finding the Fourth Proportional to 57,668.72, 79,582.84 and 32,518.22

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Solution

The fourth proportional to 57,668.72, 79,582.84 and 32,518.22 is: 44,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,668.72 : 79,582.84 = 32,518.22 : x
  2. Step 2: Convert to fraction form
    57,668.72/79,582.84 = 32,518.22/x
  3. Step 3: Cross multiply
    57,668.72x = 79,582.84 × 32,518.22
  4. Step 4: Simplify right side
    57,668.72x = 2,587,891,820.14
  5. Step 5: Solve for x
    x = 2,587,891,820.14/57,668.72
  6. Step 6: Final answer
    x = 44,875.14

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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.