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Finding the Fourth Proportional to 6,869.93, 9,477.02 and 4,347.79

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Solution

The fourth proportional to 6,869.93, 9,477.02 and 4,347.79 is: 5,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.93 : 9,477.02 = 4,347.79 : x
  2. Step 2: Convert to fraction form
    6,869.93/9,477.02 = 4,347.79/x
  3. Step 3: Cross multiply
    6,869.93x = 9,477.02 × 4,347.79
  4. Step 4: Simplify right side
    6,869.93x = 41,204,071.05
  5. Step 5: Solve for x
    x = 41,204,071.05/6,869.93
  6. Step 6: Final answer
    x = 5,997.74

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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.