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Finding the Fourth Proportional to 7,277.48, 10,916.48 and 2,347.19

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Solution

The fourth proportional to 7,277.48, 10,916.48 and 2,347.19 is: 3,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.48 : 10,916.48 = 2,347.19 : x
  2. Step 2: Convert to fraction form
    7,277.48/10,916.48 = 2,347.19/x
  3. Step 3: Cross multiply
    7,277.48x = 10,916.48 × 2,347.19
  4. Step 4: Simplify right side
    7,277.48x = 25,622,998.11
  5. Step 5: Solve for x
    x = 25,622,998.11/7,277.48
  6. Step 6: Final answer
    x = 3,520.86

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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.