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Finding the Fourth Proportional to 7,151.13, 9,862.71 and 5,033.67

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Solution

The fourth proportional to 7,151.13, 9,862.71 and 5,033.67 is: 6,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.13 : 9,862.71 = 5,033.67 : x
  2. Step 2: Convert to fraction form
    7,151.13/9,862.71 = 5,033.67/x
  3. Step 3: Cross multiply
    7,151.13x = 9,862.71 × 5,033.67
  4. Step 4: Simplify right side
    7,151.13x = 49,645,627.45
  5. Step 5: Solve for x
    x = 49,645,627.45/7,151.13
  6. Step 6: Final answer
    x = 6,942.35

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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.