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Finding the Fourth Proportional to 7,298.70, 10,071.78 and 4,314.82

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Solution

The fourth proportional to 7,298.70, 10,071.78 and 4,314.82 is: 5,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.70 : 10,071.78 = 4,314.82 : x
  2. Step 2: Convert to fraction form
    7,298.70/10,071.78 = 4,314.82/x
  3. Step 3: Cross multiply
    7,298.70x = 10,071.78 × 4,314.82
  4. Step 4: Simplify right side
    7,298.70x = 43,457,917.78
  5. Step 5: Solve for x
    x = 43,457,917.78/7,298.70
  6. Step 6: Final answer
    x = 5,954.20

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