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Finding the Fourth Proportional to 4,994.61, 6,892.51 and 2,756.51

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Solution

The fourth proportional to 4,994.61, 6,892.51 and 2,756.51 is: 3,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.61 : 6,892.51 = 2,756.51 : x
  2. Step 2: Convert to fraction form
    4,994.61/6,892.51 = 2,756.51/x
  3. Step 3: Cross multiply
    4,994.61x = 6,892.51 × 2,756.51
  4. Step 4: Simplify right side
    4,994.61x = 18,999,272.74
  5. Step 5: Solve for x
    x = 18,999,272.74/4,994.61
  6. Step 6: Final answer
    x = 3,803.96

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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.