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Finding the Fourth Proportional to 7,297.76, 10,047.76 and 6,632.56

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Solution

The fourth proportional to 7,297.76, 10,047.76 and 6,632.56 is: 9,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.76 : 10,047.76 = 6,632.56 : x
  2. Step 2: Convert to fraction form
    7,297.76/10,047.76 = 6,632.56/x
  3. Step 3: Cross multiply
    7,297.76x = 10,047.76 × 6,632.56
  4. Step 4: Simplify right side
    7,297.76x = 66,642,371.07
  5. Step 5: Solve for x
    x = 66,642,371.07/7,297.76
  6. Step 6: Final answer
    x = 9,131.89

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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.