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Finding the Fourth Proportional to 8,625.66, 11,902.75 and 4,848.12

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Solution

The fourth proportional to 8,625.66, 11,902.75 and 4,848.12 is: 6,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.66 : 11,902.75 = 4,848.12 : x
  2. Step 2: Convert to fraction form
    8,625.66/11,902.75 = 4,848.12/x
  3. Step 3: Cross multiply
    8,625.66x = 11,902.75 × 4,848.12
  4. Step 4: Simplify right side
    8,625.66x = 57,705,897.99
  5. Step 5: Solve for x
    x = 57,705,897.99/8,625.66
  6. Step 6: Final answer
    x = 6,690.02

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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.