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Finding the Fourth Proportional to 1,894.76, 2,614.86 and 1,055.48

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Solution

The fourth proportional to 1,894.76, 2,614.86 and 1,055.48 is: 1,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.76 : 2,614.86 = 1,055.48 : x
  2. Step 2: Convert to fraction form
    1,894.76/2,614.86 = 1,055.48/x
  3. Step 3: Cross multiply
    1,894.76x = 2,614.86 × 1,055.48
  4. Step 4: Simplify right side
    1,894.76x = 2,759,919.36
  5. Step 5: Solve for x
    x = 2,759,919.36/1,894.76
  6. Step 6: Final answer
    x = 1,456.60

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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.