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Finding the Fourth Proportional to 47,230.62, 65,209.62 and 29,352.30

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Solution

The fourth proportional to 47,230.62, 65,209.62 and 29,352.30 is: 40,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.62 : 65,209.62 = 29,352.30 : x
  2. Step 2: Convert to fraction form
    47,230.62/65,209.62 = 29,352.30/x
  3. Step 3: Cross multiply
    47,230.62x = 65,209.62 × 29,352.30
  4. Step 4: Simplify right side
    47,230.62x = 1,914,052,329.13
  5. Step 5: Solve for x
    x = 1,914,052,329.13/47,230.62
  6. Step 6: Final answer
    x = 40,525.67

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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.