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Finding the Fourth Proportional to 5,955.76, 8,219.16 and 3,303.12

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Solution

The fourth proportional to 5,955.76, 8,219.16 and 3,303.12 is: 4,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.76 : 8,219.16 = 3,303.12 : x
  2. Step 2: Convert to fraction form
    5,955.76/8,219.16 = 3,303.12/x
  3. Step 3: Cross multiply
    5,955.76x = 8,219.16 × 3,303.12
  4. Step 4: Simplify right side
    5,955.76x = 27,148,871.78
  5. Step 5: Solve for x
    x = 27,148,871.78/5,955.76
  6. Step 6: Final answer
    x = 4,558.42

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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.