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Finding the Fourth Proportional to 6,869.76, 9,476.64 and 4,881.12

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Solution

The fourth proportional to 6,869.76, 9,476.64 and 4,881.12 is: 6,733.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.76 : 9,476.64 = 4,881.12 : x
  2. Step 2: Convert to fraction form
    6,869.76/9,476.64 = 4,881.12/x
  3. Step 3: Cross multiply
    6,869.76x = 9,476.64 × 4,881.12
  4. Step 4: Simplify right side
    6,869.76x = 46,256,617.04
  5. Step 5: Solve for x
    x = 46,256,617.04/6,869.76
  6. Step 6: Final answer
    x = 6,733.37

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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.