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Finding the Fourth Proportional to 3,116.09, 4,674.16 and 924.84

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Solution

The fourth proportional to 3,116.09, 4,674.16 and 924.84 is: 1,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.09 : 4,674.16 = 924.84 : x
  2. Step 2: Convert to fraction form
    3,116.09/4,674.16 = 924.84/x
  3. Step 3: Cross multiply
    3,116.09x = 4,674.16 × 924.84
  4. Step 4: Simplify right side
    3,116.09x = 4,322,850.13
  5. Step 5: Solve for x
    x = 4,322,850.13/3,116.09
  6. Step 6: Final answer
    x = 1,387.27

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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.