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Finding the Fourth Proportional to 6,955.56, 9,598.64 and 3,811.76

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Solution

The fourth proportional to 6,955.56, 9,598.64 and 3,811.76 is: 5,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.56 : 9,598.64 = 3,811.76 : x
  2. Step 2: Convert to fraction form
    6,955.56/9,598.64 = 3,811.76/x
  3. Step 3: Cross multiply
    6,955.56x = 9,598.64 × 3,811.76
  4. Step 4: Simplify right side
    6,955.56x = 36,587,712.01
  5. Step 5: Solve for x
    x = 36,587,712.01/6,955.56
  6. Step 6: Final answer
    x = 5,260.21

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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.