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Finding the Fourth Proportional to 1,893.06, 2,612.04 and 1,106.96

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Solution

The fourth proportional to 1,893.06, 2,612.04 and 1,106.96 is: 1,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.06 : 2,612.04 = 1,106.96 : x
  2. Step 2: Convert to fraction form
    1,893.06/2,612.04 = 1,106.96/x
  3. Step 3: Cross multiply
    1,893.06x = 2,612.04 × 1,106.96
  4. Step 4: Simplify right side
    1,893.06x = 2,891,423.80
  5. Step 5: Solve for x
    x = 2,891,423.80/1,893.06
  6. Step 6: Final answer
    x = 1,527.38

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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.