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Finding the Fourth Proportional to 6,555.88, 9,820.68 and 3,258.82

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Solution

The fourth proportional to 6,555.88, 9,820.68 and 3,258.82 is: 4,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.88 : 9,820.68 = 3,258.82 : x
  2. Step 2: Convert to fraction form
    6,555.88/9,820.68 = 3,258.82/x
  3. Step 3: Cross multiply
    6,555.88x = 9,820.68 × 3,258.82
  4. Step 4: Simplify right side
    6,555.88x = 32,003,828.40
  5. Step 5: Solve for x
    x = 32,003,828.40/6,555.88
  6. Step 6: Final answer
    x = 4,881.70

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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.