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Finding the Fourth Proportional to 79,656.21, 119,484.32 and 32,910.30

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Solution

The fourth proportional to 79,656.21, 119,484.32 and 32,910.30 is: 49,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,656.21 : 119,484.32 = 32,910.30 : x
  2. Step 2: Convert to fraction form
    79,656.21/119,484.32 = 32,910.30/x
  3. Step 3: Cross multiply
    79,656.21x = 119,484.32 × 32,910.30
  4. Step 4: Simplify right side
    79,656.21x = 3,932,264,816.50
  5. Step 5: Solve for x
    x = 3,932,264,816.50/79,656.21
  6. Step 6: Final answer
    x = 49,365.45

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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.