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Finding the Fourth Proportional to 73,352.80, 110,007.60 and 28,964.80

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Solution

The fourth proportional to 73,352.80, 110,007.60 and 28,964.80 is: 43,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,352.80 : 110,007.60 = 28,964.80 : x
  2. Step 2: Convert to fraction form
    73,352.80/110,007.60 = 28,964.80/x
  3. Step 3: Cross multiply
    73,352.80x = 110,007.60 × 28,964.80
  4. Step 4: Simplify right side
    73,352.80x = 3,186,348,132.48
  5. Step 5: Solve for x
    x = 3,186,348,132.48/73,352.80
  6. Step 6: Final answer
    x = 43,438.67

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1.5x scale

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.