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Finding the Fourth Proportional to 6,917.04, 9,537.96 and 5,478.84

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Solution

The fourth proportional to 6,917.04, 9,537.96 and 5,478.84 is: 7,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.04 : 9,537.96 = 5,478.84 : x
  2. Step 2: Convert to fraction form
    6,917.04/9,537.96 = 5,478.84/x
  3. Step 3: Cross multiply
    6,917.04x = 9,537.96 × 5,478.84
  4. Step 4: Simplify right side
    6,917.04x = 52,256,956.77
  5. Step 5: Solve for x
    x = 52,256,956.77/6,917.04
  6. Step 6: Final answer
    x = 7,554.81

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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.