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Finding the Fourth Proportional to 2,976.13, 4,106.13 and 1,717.02

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Solution

The fourth proportional to 2,976.13, 4,106.13 and 1,717.02 is: 2,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.13 : 4,106.13 = 1,717.02 : x
  2. Step 2: Convert to fraction form
    2,976.13/4,106.13 = 1,717.02/x
  3. Step 3: Cross multiply
    2,976.13x = 4,106.13 × 1,717.02
  4. Step 4: Simplify right side
    2,976.13x = 7,050,300.89
  5. Step 5: Solve for x
    x = 7,050,300.89/2,976.13
  6. Step 6: Final answer
    x = 2,368.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.