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Finding the Fourth Proportional to 1,548.86, 2,136.86 and 1,018.04

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Solution

The fourth proportional to 1,548.86, 2,136.86 and 1,018.04 is: 1,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.86 : 2,136.86 = 1,018.04 : x
  2. Step 2: Convert to fraction form
    1,548.86/2,136.86 = 1,018.04/x
  3. Step 3: Cross multiply
    1,548.86x = 2,136.86 × 1,018.04
  4. Step 4: Simplify right side
    1,548.86x = 2,175,393.18
  5. Step 5: Solve for x
    x = 2,175,393.18/1,548.86
  6. Step 6: Final answer
    x = 1,404.52

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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.