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Finding the Fourth Proportional to 79,627.40, 119,400.80 and 35,267.75

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Solution

The fourth proportional to 79,627.40, 119,400.80 and 35,267.75 is: 52,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,627.40 : 119,400.80 = 35,267.75 : x
  2. Step 2: Convert to fraction form
    79,627.40/119,400.80 = 35,267.75/x
  3. Step 3: Cross multiply
    79,627.40x = 119,400.80 × 35,267.75
  4. Step 4: Simplify right side
    79,627.40x = 4,210,996,790.86
  5. Step 5: Solve for x
    x = 4,210,996,790.86/79,627.40
  6. Step 6: Final answer
    x = 52,883.77

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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.