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Finding the Fourth Proportional to 1,951.66, 2,913.58 and 1,883.32

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Solution

The fourth proportional to 1,951.66, 2,913.58 and 1,883.32 is: 2,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.66 : 2,913.58 = 1,883.32 : x
  2. Step 2: Convert to fraction form
    1,951.66/2,913.58 = 1,883.32/x
  3. Step 3: Cross multiply
    1,951.66x = 2,913.58 × 1,883.32
  4. Step 4: Simplify right side
    1,951.66x = 5,487,203.49
  5. Step 5: Solve for x
    x = 5,487,203.49/1,951.66
  6. Step 6: Final answer
    x = 2,811.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.