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Finding the Fourth Proportional to 6,264.66, 8,647.13 and 3,613.80

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Solution

The fourth proportional to 6,264.66, 8,647.13 and 3,613.80 is: 4,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.66 : 8,647.13 = 3,613.80 : x
  2. Step 2: Convert to fraction form
    6,264.66/8,647.13 = 3,613.80/x
  3. Step 3: Cross multiply
    6,264.66x = 8,647.13 × 3,613.80
  4. Step 4: Simplify right side
    6,264.66x = 31,248,980.33
  5. Step 5: Solve for x
    x = 31,248,980.33/6,264.66
  6. Step 6: Final answer
    x = 4,988.14

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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.