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Finding the Fourth Proportional to 7,699.73, 11,549.58 and 5,947.29

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Solution

The fourth proportional to 7,699.73, 11,549.58 and 5,947.29 is: 8,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.73 : 11,549.58 = 5,947.29 : x
  2. Step 2: Convert to fraction form
    7,699.73/11,549.58 = 5,947.29/x
  3. Step 3: Cross multiply
    7,699.73x = 11,549.58 × 5,947.29
  4. Step 4: Simplify right side
    7,699.73x = 68,688,701.64
  5. Step 5: Solve for x
    x = 68,688,701.64/7,699.73
  6. Step 6: Final answer
    x = 8,920.93

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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.