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Finding the Fourth Proportional to 2,832.63, 3,909.03 and 1,653.93

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Solution

The fourth proportional to 2,832.63, 3,909.03 and 1,653.93 is: 2,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.63 : 3,909.03 = 1,653.93 : x
  2. Step 2: Convert to fraction form
    2,832.63/3,909.03 = 1,653.93/x
  3. Step 3: Cross multiply
    2,832.63x = 3,909.03 × 1,653.93
  4. Step 4: Simplify right side
    2,832.63x = 6,465,261.99
  5. Step 5: Solve for x
    x = 6,465,261.99/2,832.63
  6. Step 6: Final answer
    x = 2,282.42

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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.