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Finding the Fourth Proportional to 2,571.95, 3,544.16 and 1,784.63

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Solution

The fourth proportional to 2,571.95, 3,544.16 and 1,784.63 is: 2,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.95 : 3,544.16 = 1,784.63 : x
  2. Step 2: Convert to fraction form
    2,571.95/3,544.16 = 1,784.63/x
  3. Step 3: Cross multiply
    2,571.95x = 3,544.16 × 1,784.63
  4. Step 4: Simplify right side
    2,571.95x = 6,325,014.20
  5. Step 5: Solve for x
    x = 6,325,014.20/2,571.95
  6. Step 6: Final answer
    x = 2,459.23

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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.