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Finding the Fourth Proportional to 3,468.84, 4,784.04 and 2,712.84

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Solution

The fourth proportional to 3,468.84, 4,784.04 and 2,712.84 is: 3,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.84 : 4,784.04 = 2,712.84 : x
  2. Step 2: Convert to fraction form
    3,468.84/4,784.04 = 2,712.84/x
  3. Step 3: Cross multiply
    3,468.84x = 4,784.04 × 2,712.84
  4. Step 4: Simplify right side
    3,468.84x = 12,978,335.07
  5. Step 5: Solve for x
    x = 12,978,335.07/3,468.84
  6. Step 6: Final answer
    x = 3,741.40

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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.