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Finding the Fourth Proportional to 79,039.85, 109,068.37 and 44,582.68

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Solution

The fourth proportional to 79,039.85, 109,068.37 and 44,582.68 is: 61,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,039.85 : 109,068.37 = 44,582.68 : x
  2. Step 2: Convert to fraction form
    79,039.85/109,068.37 = 44,582.68/x
  3. Step 3: Cross multiply
    79,039.85x = 109,068.37 × 44,582.68
  4. Step 4: Simplify right side
    79,039.85x = 4,862,560,267.19
  5. Step 5: Solve for x
    x = 4,862,560,267.19/79,039.85
  6. Step 6: Final answer
    x = 61,520.36

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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.