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Finding the Fourth Proportional to 4,994.79, 6,892.77 and 2,756.76

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Solution

The fourth proportional to 4,994.79, 6,892.77 and 2,756.76 is: 3,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.79 : 6,892.77 = 2,756.76 : x
  2. Step 2: Convert to fraction form
    4,994.79/6,892.77 = 2,756.76/x
  3. Step 3: Cross multiply
    4,994.79x = 6,892.77 × 2,756.76
  4. Step 4: Simplify right side
    4,994.79x = 19,001,712.63
  5. Step 5: Solve for x
    x = 19,001,712.63/4,994.79
  6. Step 6: Final answer
    x = 3,804.31

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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.