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Finding the Fourth Proportional to 7,223.04, 9,963.45 and 4,388.45

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Solution

The fourth proportional to 7,223.04, 9,963.45 and 4,388.45 is: 6,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.04 : 9,963.45 = 4,388.45 : x
  2. Step 2: Convert to fraction form
    7,223.04/9,963.45 = 4,388.45/x
  3. Step 3: Cross multiply
    7,223.04x = 9,963.45 × 4,388.45
  4. Step 4: Simplify right side
    7,223.04x = 43,724,052.34
  5. Step 5: Solve for x
    x = 43,724,052.34/7,223.04
  6. Step 6: Final answer
    x = 6,053.41

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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.