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Finding the Fourth Proportional to 6,900.04, 9,497.28 and 5,768.47

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Solution

The fourth proportional to 6,900.04, 9,497.28 and 5,768.47 is: 7,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.04 : 9,497.28 = 5,768.47 : x
  2. Step 2: Convert to fraction form
    6,900.04/9,497.28 = 5,768.47/x
  3. Step 3: Cross multiply
    6,900.04x = 9,497.28 × 5,768.47
  4. Step 4: Simplify right side
    6,900.04x = 54,784,774.76
  5. Step 5: Solve for x
    x = 54,784,774.76/6,900.04
  6. Step 6: Final answer
    x = 7,939.78

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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.