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Finding the Fourth Proportional to 5,616.45, 8,417.84 and 3,973.47

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Solution

The fourth proportional to 5,616.45, 8,417.84 and 3,973.47 is: 5,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.45 : 8,417.84 = 3,973.47 : x
  2. Step 2: Convert to fraction form
    5,616.45/8,417.84 = 3,973.47/x
  3. Step 3: Cross multiply
    5,616.45x = 8,417.84 × 3,973.47
  4. Step 4: Simplify right side
    5,616.45x = 33,448,034.70
  5. Step 5: Solve for x
    x = 33,448,034.70/5,616.45
  6. Step 6: Final answer
    x = 5,955.37

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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.