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Finding the Fourth Proportional to 7,237.04, 9,983.94 and 5,555.48

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Solution

The fourth proportional to 7,237.04, 9,983.94 and 5,555.48 is: 7,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.04 : 9,983.94 = 5,555.48 : x
  2. Step 2: Convert to fraction form
    7,237.04/9,983.94 = 5,555.48/x
  3. Step 3: Cross multiply
    7,237.04x = 9,983.94 × 5,555.48
  4. Step 4: Simplify right side
    7,237.04x = 55,465,578.99
  5. Step 5: Solve for x
    x = 55,465,578.99/7,237.04
  6. Step 6: Final answer
    x = 7,664.12

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1.5x scale

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.