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Finding the Fourth Proportional to 5,045.18, 6,962.18 and 2,776.31

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Solution

The fourth proportional to 5,045.18, 6,962.18 and 2,776.31 is: 3,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.18 : 6,962.18 = 2,776.31 : x
  2. Step 2: Convert to fraction form
    5,045.18/6,962.18 = 2,776.31/x
  3. Step 3: Cross multiply
    5,045.18x = 6,962.18 × 2,776.31
  4. Step 4: Simplify right side
    5,045.18x = 19,329,156.07
  5. Step 5: Solve for x
    x = 19,329,156.07/5,045.18
  6. Step 6: Final answer
    x = 3,831.21

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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.