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Finding the Fourth Proportional to 1,923.66, 2,655.72 and 1,544.58

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Solution

The fourth proportional to 1,923.66, 2,655.72 and 1,544.58 is: 2,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.66 : 2,655.72 = 1,544.58 : x
  2. Step 2: Convert to fraction form
    1,923.66/2,655.72 = 1,544.58/x
  3. Step 3: Cross multiply
    1,923.66x = 2,655.72 × 1,544.58
  4. Step 4: Simplify right side
    1,923.66x = 4,101,972.00
  5. Step 5: Solve for x
    x = 4,101,972.00/1,923.66
  6. Step 6: Final answer
    x = 2,132.38

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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.