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Finding the Fourth Proportional to 79,590.39, 109,880.19 and 52,769.27

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Solution

The fourth proportional to 79,590.39, 109,880.19 and 52,769.27 is: 72,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,590.39 : 109,880.19 = 52,769.27 : x
  2. Step 2: Convert to fraction form
    79,590.39/109,880.19 = 52,769.27/x
  3. Step 3: Cross multiply
    79,590.39x = 109,880.19 × 52,769.27
  4. Step 4: Simplify right side
    79,590.39x = 5,798,296,864.36
  5. Step 5: Solve for x
    x = 5,798,296,864.36/79,590.39
  6. Step 6: Final answer
    x = 72,851.72

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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.