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Finding the Fourth Proportional to 7,341.39, 10,130.94 and 4,197.38

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Solution

The fourth proportional to 7,341.39, 10,130.94 and 4,197.38 is: 5,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.39 : 10,130.94 = 4,197.38 : x
  2. Step 2: Convert to fraction form
    7,341.39/10,130.94 = 4,197.38/x
  3. Step 3: Cross multiply
    7,341.39x = 10,130.94 × 4,197.38
  4. Step 4: Simplify right side
    7,341.39x = 42,523,354.28
  5. Step 5: Solve for x
    x = 42,523,354.28/7,341.39
  6. Step 6: Final answer
    x = 5,792.28

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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.