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Finding the Fourth Proportional to 70,668.27, 97,524.27 and 40,039.13

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Solution

The fourth proportional to 70,668.27, 97,524.27 and 40,039.13 is: 55,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668.27 : 97,524.27 = 40,039.13 : x
  2. Step 2: Convert to fraction form
    70,668.27/97,524.27 = 40,039.13/x
  3. Step 3: Cross multiply
    70,668.27x = 97,524.27 × 40,039.13
  4. Step 4: Simplify right side
    70,668.27x = 3,904,787,168.50
  5. Step 5: Solve for x
    x = 3,904,787,168.50/70,668.27
  6. Step 6: Final answer
    x = 55,255.17

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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.