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Finding the Fourth Proportional to 6,867.93, 9,477.36 and 4,034.87

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Solution

The fourth proportional to 6,867.93, 9,477.36 and 4,034.87 is: 5,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.93 : 9,477.36 = 4,034.87 : x
  2. Step 2: Convert to fraction form
    6,867.93/9,477.36 = 4,034.87/x
  3. Step 3: Cross multiply
    6,867.93x = 9,477.36 × 4,034.87
  4. Step 4: Simplify right side
    6,867.93x = 38,239,868.16
  5. Step 5: Solve for x
    x = 38,239,868.16/6,867.93
  6. Step 6: Final answer
    x = 5,567.89

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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.