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Finding the Fourth Proportional to 1,136.01, 1,567.71 and 670.26

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Solution

The fourth proportional to 1,136.01, 1,567.71 and 670.26 is: 924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.01 : 1,567.71 = 670.26 : x
  2. Step 2: Convert to fraction form
    1,136.01/1,567.71 = 670.26/x
  3. Step 3: Cross multiply
    1,136.01x = 1,567.71 × 670.26
  4. Step 4: Simplify right side
    1,136.01x = 1,050,773.30
  5. Step 5: Solve for x
    x = 1,050,773.30/1,136.01
  6. Step 6: Final answer
    x = 924.97

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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.