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Finding the Fourth Proportional to 6,653.76, 9,951.23 and 5,918.54

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Solution

The fourth proportional to 6,653.76, 9,951.23 and 5,918.54 is: 8,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.76 : 9,951.23 = 5,918.54 : x
  2. Step 2: Convert to fraction form
    6,653.76/9,951.23 = 5,918.54/x
  3. Step 3: Cross multiply
    6,653.76x = 9,951.23 × 5,918.54
  4. Step 4: Simplify right side
    6,653.76x = 58,896,673.46
  5. Step 5: Solve for x
    x = 58,896,673.46/6,653.76
  6. Step 6: Final answer
    x = 8,851.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.