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Finding the Fourth Proportional to 57,904.48, 79,911.12 and 32,762.08

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Solution

The fourth proportional to 57,904.48, 79,911.12 and 32,762.08 is: 45,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,904.48 : 79,911.12 = 32,762.08 : x
  2. Step 2: Convert to fraction form
    57,904.48/79,911.12 = 32,762.08/x
  3. Step 3: Cross multiply
    57,904.48x = 79,911.12 × 32,762.08
  4. Step 4: Simplify right side
    57,904.48x = 2,618,054,506.33
  5. Step 5: Solve for x
    x = 2,618,054,506.33/57,904.48
  6. Step 6: Final answer
    x = 45,213.33

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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.