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Finding the Fourth Proportional to 6,696.60, 10,045.80 and 2,315.40

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Solution

The fourth proportional to 6,696.60, 10,045.80 and 2,315.40 is: 3,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.60 : 10,045.80 = 2,315.40 : x
  2. Step 2: Convert to fraction form
    6,696.60/10,045.80 = 2,315.40/x
  3. Step 3: Cross multiply
    6,696.60x = 10,045.80 × 2,315.40
  4. Step 4: Simplify right side
    6,696.60x = 23,260,045.32
  5. Step 5: Solve for x
    x = 23,260,045.32/6,696.60
  6. Step 6: Final answer
    x = 3,473.41

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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.