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Finding the Fourth Proportional to 60,473.20, 83,421.13 and 35,930.01

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Solution

The fourth proportional to 60,473.20, 83,421.13 and 35,930.01 is: 49,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,473.20 : 83,421.13 = 35,930.01 : x
  2. Step 2: Convert to fraction form
    60,473.20/83,421.13 = 35,930.01/x
  3. Step 3: Cross multiply
    60,473.20x = 83,421.13 × 35,930.01
  4. Step 4: Simplify right side
    60,473.20x = 2,997,322,035.11
  5. Step 5: Solve for x
    x = 2,997,322,035.11/60,473.20
  6. Step 6: Final answer
    x = 49,564.47

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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.