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Finding the Fourth Proportional to 48,580.99, 67,041.89 and 28,167.01

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Solution

The fourth proportional to 48,580.99, 67,041.89 and 28,167.01 is: 38,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,580.99 : 67,041.89 = 28,167.01 : x
  2. Step 2: Convert to fraction form
    48,580.99/67,041.89 = 28,167.01/x
  3. Step 3: Cross multiply
    48,580.99x = 67,041.89 × 28,167.01
  4. Step 4: Simplify right side
    48,580.99x = 1,888,369,383.24
  5. Step 5: Solve for x
    x = 1,888,369,383.24/48,580.99
  6. Step 6: Final answer
    x = 38,870.54

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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.