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Finding the Fourth Proportional to 5,308.41, 7,962.75 and 4,533.78

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Solution

The fourth proportional to 5,308.41, 7,962.75 and 4,533.78 is: 6,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.41 : 7,962.75 = 4,533.78 : x
  2. Step 2: Convert to fraction form
    5,308.41/7,962.75 = 4,533.78/x
  3. Step 3: Cross multiply
    5,308.41x = 7,962.75 × 4,533.78
  4. Step 4: Simplify right side
    5,308.41x = 36,101,356.70
  5. Step 5: Solve for x
    x = 36,101,356.70/5,308.41
  6. Step 6: Final answer
    x = 6,800.79

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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.