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Finding the Fourth Proportional to 7,523.81, 10,378.29 and 4,834.11

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Solution

The fourth proportional to 7,523.81, 10,378.29 and 4,834.11 is: 6,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.81 : 10,378.29 = 4,834.11 : x
  2. Step 2: Convert to fraction form
    7,523.81/10,378.29 = 4,834.11/x
  3. Step 3: Cross multiply
    7,523.81x = 10,378.29 × 4,834.11
  4. Step 4: Simplify right side
    7,523.81x = 50,169,795.47
  5. Step 5: Solve for x
    x = 50,169,795.47/7,523.81
  6. Step 6: Final answer
    x = 6,668.14

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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.