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Finding the Fourth Proportional to 4,881.74, 7,308.20 and 3,026.88

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Solution

The fourth proportional to 4,881.74, 7,308.20 and 3,026.88 is: 4,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.74 : 7,308.20 = 3,026.88 : x
  2. Step 2: Convert to fraction form
    4,881.74/7,308.20 = 3,026.88/x
  3. Step 3: Cross multiply
    4,881.74x = 7,308.20 × 3,026.88
  4. Step 4: Simplify right side
    4,881.74x = 22,121,051.98
  5. Step 5: Solve for x
    x = 22,121,051.98/4,881.74
  6. Step 6: Final answer
    x = 4,531.39

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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.