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Finding the Fourth Proportional to 7,473.76, 11,211.29 and 1,927.06

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Solution

The fourth proportional to 7,473.76, 11,211.29 and 1,927.06 is: 2,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.76 : 11,211.29 = 1,927.06 : x
  2. Step 2: Convert to fraction form
    7,473.76/11,211.29 = 1,927.06/x
  3. Step 3: Cross multiply
    7,473.76x = 11,211.29 × 1,927.06
  4. Step 4: Simplify right side
    7,473.76x = 21,604,790.84
  5. Step 5: Solve for x
    x = 21,604,790.84/7,473.76
  6. Step 6: Final answer
    x = 2,890.75

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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.