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Finding the Fourth Proportional to 3,325.74, 4,988.57 and 1,136.00

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Solution

The fourth proportional to 3,325.74, 4,988.57 and 1,136.00 is: 1,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.74 : 4,988.57 = 1,136.00 : x
  2. Step 2: Convert to fraction form
    3,325.74/4,988.57 = 1,136.00/x
  3. Step 3: Cross multiply
    3,325.74x = 4,988.57 × 1,136.00
  4. Step 4: Simplify right side
    3,325.74x = 5,666,984.90
  5. Step 5: Solve for x
    x = 5,666,984.90/3,325.74
  6. Step 6: Final answer
    x = 1,703.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.