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Finding the Fourth Proportional to 7,220.52, 9,962.22 and 4,533.96

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Solution

The fourth proportional to 7,220.52, 9,962.22 and 4,533.96 is: 6,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.52 : 9,962.22 = 4,533.96 : x
  2. Step 2: Convert to fraction form
    7,220.52/9,962.22 = 4,533.96/x
  3. Step 3: Cross multiply
    7,220.52x = 9,962.22 × 4,533.96
  4. Step 4: Simplify right side
    7,220.52x = 45,168,306.99
  5. Step 5: Solve for x
    x = 45,168,306.99/7,220.52
  6. Step 6: Final answer
    x = 6,255.55

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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.