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Finding the Fourth Proportional to 7,777.90, 10,733.40 and 4,241.08

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Solution

The fourth proportional to 7,777.90, 10,733.40 and 4,241.08 is: 5,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.90 : 10,733.40 = 4,241.08 : x
  2. Step 2: Convert to fraction form
    7,777.90/10,733.40 = 4,241.08/x
  3. Step 3: Cross multiply
    7,777.90x = 10,733.40 × 4,241.08
  4. Step 4: Simplify right side
    7,777.90x = 45,521,208.07
  5. Step 5: Solve for x
    x = 45,521,208.07/7,777.90
  6. Step 6: Final answer
    x = 5,852.63

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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.