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Finding the Fourth Proportional to 7,063.11, 9,751.02 and 6,315.27

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Solution

The fourth proportional to 7,063.11, 9,751.02 and 6,315.27 is: 8,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.11 : 9,751.02 = 6,315.27 : x
  2. Step 2: Convert to fraction form
    7,063.11/9,751.02 = 6,315.27/x
  3. Step 3: Cross multiply
    7,063.11x = 9,751.02 × 6,315.27
  4. Step 4: Simplify right side
    7,063.11x = 61,580,324.08
  5. Step 5: Solve for x
    x = 61,580,324.08/7,063.11
  6. Step 6: Final answer
    x = 8,718.58

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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.