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Finding the Fourth Proportional to 7,513.69, 10,368.71 and 4,156.69

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Solution

The fourth proportional to 7,513.69, 10,368.71 and 4,156.69 is: 5,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.69 : 10,368.71 = 4,156.69 : x
  2. Step 2: Convert to fraction form
    7,513.69/10,368.71 = 4,156.69/x
  3. Step 3: Cross multiply
    7,513.69x = 10,368.71 × 4,156.69
  4. Step 4: Simplify right side
    7,513.69x = 43,099,492.39
  5. Step 5: Solve for x
    x = 43,099,492.39/7,513.69
  6. Step 6: Final answer
    x = 5,736.13

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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.