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Finding the Fourth Proportional to 4,994.76, 6,892.74 and 2,898.84

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Solution

The fourth proportional to 4,994.76, 6,892.74 and 2,898.84 is: 4,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.76 : 6,892.74 = 2,898.84 : x
  2. Step 2: Convert to fraction form
    4,994.76/6,892.74 = 2,898.84/x
  3. Step 3: Cross multiply
    4,994.76x = 6,892.74 × 2,898.84
  4. Step 4: Simplify right side
    4,994.76x = 19,980,950.42
  5. Step 5: Solve for x
    x = 19,980,950.42/4,994.76
  6. Step 6: Final answer
    x = 4,000.38

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Find fourth proportional to 2,497.38, 3,446.37 and 1,449.42
Half scale
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Double scale
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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.