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Finding the Fourth Proportional to 59,969.44, 90,028.68 and 38,840.32

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Solution

The fourth proportional to 59,969.44, 90,028.68 and 38,840.32 is: 58,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,969.44 : 90,028.68 = 38,840.32 : x
  2. Step 2: Convert to fraction form
    59,969.44/90,028.68 = 38,840.32/x
  3. Step 3: Cross multiply
    59,969.44x = 90,028.68 × 38,840.32
  4. Step 4: Simplify right side
    59,969.44x = 3,496,742,740.38
  5. Step 5: Solve for x
    x = 3,496,742,740.38/59,969.44
  6. Step 6: Final answer
    x = 58,308.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.