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Finding the Fourth Proportional to 4,507.01, 6,759.99 and 1,220.43

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Solution

The fourth proportional to 4,507.01, 6,759.99 and 1,220.43 is: 1,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.01 : 6,759.99 = 1,220.43 : x
  2. Step 2: Convert to fraction form
    4,507.01/6,759.99 = 1,220.43/x
  3. Step 3: Cross multiply
    4,507.01x = 6,759.99 × 1,220.43
  4. Step 4: Simplify right side
    4,507.01x = 8,250,094.60
  5. Step 5: Solve for x
    x = 8,250,094.60/4,507.01
  6. Step 6: Final answer
    x = 1,830.50

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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.