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Finding the Fourth Proportional to 7,473.79, 11,210.82 and 1,927.25

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Solution

The fourth proportional to 7,473.79, 11,210.82 and 1,927.25 is: 2,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.79 : 11,210.82 = 1,927.25 : x
  2. Step 2: Convert to fraction form
    7,473.79/11,210.82 = 1,927.25/x
  3. Step 3: Cross multiply
    7,473.79x = 11,210.82 × 1,927.25
  4. Step 4: Simplify right side
    7,473.79x = 21,606,052.85
  5. Step 5: Solve for x
    x = 21,606,052.85/7,473.79
  6. Step 6: Final answer
    x = 2,890.91

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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.