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Finding the Fourth Proportional to 2,636.63, 3,643.35 and 2,508.48

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Solution

The fourth proportional to 2,636.63, 3,643.35 and 2,508.48 is: 3,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.63 : 3,643.35 = 2,508.48 : x
  2. Step 2: Convert to fraction form
    2,636.63/3,643.35 = 2,508.48/x
  3. Step 3: Cross multiply
    2,636.63x = 3,643.35 × 2,508.48
  4. Step 4: Simplify right side
    2,636.63x = 9,139,270.61
  5. Step 5: Solve for x
    x = 9,139,270.61/2,636.63
  6. Step 6: Final answer
    x = 3,466.28

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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.