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Finding the Fourth Proportional to 5,668.72, 8,502.66 and 1,773

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Solution

The fourth proportional to 5,668.72, 8,502.66 and 1,773 is: 2,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.72 : 8,502.66 = 1,773 : x
  2. Step 2: Convert to fraction form
    5,668.72/8,502.66 = 1,773/x
  3. Step 3: Cross multiply
    5,668.72x = 8,502.66 × 1,773
  4. Step 4: Simplify right side
    5,668.72x = 15,075,216.18
  5. Step 5: Solve for x
    x = 15,075,216.18/5,668.72
  6. Step 6: Final answer
    x = 2,659.37

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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.