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Finding the Fourth Proportional to 60,409.53, 90,626.85 and 18,291.96

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Solution

The fourth proportional to 60,409.53, 90,626.85 and 18,291.96 is: 27,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,409.53 : 90,626.85 = 18,291.96 : x
  2. Step 2: Convert to fraction form
    60,409.53/90,626.85 = 18,291.96/x
  3. Step 3: Cross multiply
    60,409.53x = 90,626.85 × 18,291.96
  4. Step 4: Simplify right side
    60,409.53x = 1,657,742,715.13
  5. Step 5: Solve for x
    x = 1,657,742,715.13/60,409.53
  6. Step 6: Final answer
    x = 27,441.74

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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.