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Finding the Fourth Proportional to 57,461.01, 79,298.77 and 47,884.88

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Solution

The fourth proportional to 57,461.01, 79,298.77 and 47,884.88 is: 66,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,461.01 : 79,298.77 = 47,884.88 : x
  2. Step 2: Convert to fraction form
    57,461.01/79,298.77 = 47,884.88/x
  3. Step 3: Cross multiply
    57,461.01x = 79,298.77 × 47,884.88
  4. Step 4: Simplify right side
    57,461.01x = 3,797,212,046.33
  5. Step 5: Solve for x
    x = 3,797,212,046.33/57,461.01
  6. Step 6: Final answer
    x = 66,083.28

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1.5x scale

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.