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Finding the Fourth Proportional to 5,643.72, 8,453.03 and 5,504.31

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Solution

The fourth proportional to 5,643.72, 8,453.03 and 5,504.31 is: 8,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.72 : 8,453.03 = 5,504.31 : x
  2. Step 2: Convert to fraction form
    5,643.72/8,453.03 = 5,504.31/x
  3. Step 3: Cross multiply
    5,643.72x = 8,453.03 × 5,504.31
  4. Step 4: Simplify right side
    5,643.72x = 46,528,070.04
  5. Step 5: Solve for x
    x = 46,528,070.04/5,643.72
  6. Step 6: Final answer
    x = 8,244.22

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1.5x scale

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.