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Finding the Fourth Proportional to 7,069.01, 9,759.47 and 4,420.02

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Solution

The fourth proportional to 7,069.01, 9,759.47 and 4,420.02 is: 6,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.01 : 9,759.47 = 4,420.02 : x
  2. Step 2: Convert to fraction form
    7,069.01/9,759.47 = 4,420.02/x
  3. Step 3: Cross multiply
    7,069.01x = 9,759.47 × 4,420.02
  4. Step 4: Simplify right side
    7,069.01x = 43,137,014.84
  5. Step 5: Solve for x
    x = 43,137,014.84/7,069.01
  6. Step 6: Final answer
    x = 6,102.27

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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.