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Finding the Fourth Proportional to 70,668.67, 97,523.31 and 38,838.10

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Solution

The fourth proportional to 70,668.67, 97,523.31 and 38,838.10 is: 53,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668.67 : 97,523.31 = 38,838.10 : x
  2. Step 2: Convert to fraction form
    70,668.67/97,523.31 = 38,838.10/x
  3. Step 3: Cross multiply
    70,668.67x = 97,523.31 × 38,838.10
  4. Step 4: Simplify right side
    70,668.67x = 3,787,620,066.11
  5. Step 5: Solve for x
    x = 3,787,620,066.11/70,668.67
  6. Step 6: Final answer
    x = 53,596.88

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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.