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Finding the Fourth Proportional to 5,770.40, 8,655.56 and 3,303.48

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Solution

The fourth proportional to 5,770.40, 8,655.56 and 3,303.48 is: 4,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.40 : 8,655.56 = 3,303.48 : x
  2. Step 2: Convert to fraction form
    5,770.40/8,655.56 = 3,303.48/x
  3. Step 3: Cross multiply
    5,770.40x = 8,655.56 × 3,303.48
  4. Step 4: Simplify right side
    5,770.40x = 28,593,469.35
  5. Step 5: Solve for x
    x = 28,593,469.35/5,770.40
  6. Step 6: Final answer
    x = 4,955.20

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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.