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Finding the Fourth Proportional to 7,799.98, 11,703.48 and 4,876.96

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Solution

The fourth proportional to 7,799.98, 11,703.48 and 4,876.96 is: 7,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.98 : 11,703.48 = 4,876.96 : x
  2. Step 2: Convert to fraction form
    7,799.98/11,703.48 = 4,876.96/x
  3. Step 3: Cross multiply
    7,799.98x = 11,703.48 × 4,876.96
  4. Step 4: Simplify right side
    7,799.98x = 57,077,403.82
  5. Step 5: Solve for x
    x = 57,077,403.82/7,799.98
  6. Step 6: Final answer
    x = 7,317.63

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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.