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Finding the Fourth Proportional to 6,484.98, 8,954.28 and 5,066.20

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Solution

The fourth proportional to 6,484.98, 8,954.28 and 5,066.20 is: 6,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.98 : 8,954.28 = 5,066.20 : x
  2. Step 2: Convert to fraction form
    6,484.98/8,954.28 = 5,066.20/x
  3. Step 3: Cross multiply
    6,484.98x = 8,954.28 × 5,066.20
  4. Step 4: Simplify right side
    6,484.98x = 45,364,173.34
  5. Step 5: Solve for x
    x = 45,364,173.34/6,484.98
  6. Step 6: Final answer
    x = 6,995.27

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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.