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Finding the Fourth Proportional to 79,265.40, 109,388.34 and 44,807.40

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Solution

The fourth proportional to 79,265.40, 109,388.34 and 44,807.40 is: 61,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.40 : 109,388.34 = 44,807.40 : x
  2. Step 2: Convert to fraction form
    79,265.40/109,388.34 = 44,807.40/x
  3. Step 3: Cross multiply
    79,265.40x = 109,388.34 × 44,807.40
  4. Step 4: Simplify right side
    79,265.40x = 4,901,407,105.72
  5. Step 5: Solve for x
    x = 4,901,407,105.72/79,265.40
  6. Step 6: Final answer
    x = 61,835.39

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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.