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Finding the Fourth Proportional to 7,106.67, 10,660.01 and 3,210.17

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Solution

The fourth proportional to 7,106.67, 10,660.01 and 3,210.17 is: 4,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.67 : 10,660.01 = 3,210.17 : x
  2. Step 2: Convert to fraction form
    7,106.67/10,660.01 = 3,210.17/x
  3. Step 3: Cross multiply
    7,106.67x = 10,660.01 × 3,210.17
  4. Step 4: Simplify right side
    7,106.67x = 34,220,374.95
  5. Step 5: Solve for x
    x = 34,220,374.95/7,106.67
  6. Step 6: Final answer
    x = 4,815.25

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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.