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Finding the Fourth Proportional to 4,274.78, 5,899.66 and 2,506.64

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Solution

The fourth proportional to 4,274.78, 5,899.66 and 2,506.64 is: 3,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.78 : 5,899.66 = 2,506.64 : x
  2. Step 2: Convert to fraction form
    4,274.78/5,899.66 = 2,506.64/x
  3. Step 3: Cross multiply
    4,274.78x = 5,899.66 × 2,506.64
  4. Step 4: Simplify right side
    4,274.78x = 14,788,323.74
  5. Step 5: Solve for x
    x = 14,788,323.74/4,274.78
  6. Step 6: Final answer
    x = 3,459.44

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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.