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Finding the Fourth Proportional to 7,804.75, 11,707.13 and 2,610.76

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Solution

The fourth proportional to 7,804.75, 11,707.13 and 2,610.76 is: 3,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.75 : 11,707.13 = 2,610.76 : x
  2. Step 2: Convert to fraction form
    7,804.75/11,707.13 = 2,610.76/x
  3. Step 3: Cross multiply
    7,804.75x = 11,707.13 × 2,610.76
  4. Step 4: Simplify right side
    7,804.75x = 30,564,506.72
  5. Step 5: Solve for x
    x = 30,564,506.72/7,804.75
  6. Step 6: Final answer
    x = 3,916.14

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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.