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Finding the Fourth Proportional to 8,499.98, 11,729.13 and 4,962.71

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Solution

The fourth proportional to 8,499.98, 11,729.13 and 4,962.71 is: 6,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.98 : 11,729.13 = 4,962.71 : x
  2. Step 2: Convert to fraction form
    8,499.98/11,729.13 = 4,962.71/x
  3. Step 3: Cross multiply
    8,499.98x = 11,729.13 × 4,962.71
  4. Step 4: Simplify right side
    8,499.98x = 58,208,270.74
  5. Step 5: Solve for x
    x = 58,208,270.74/8,499.98
  6. Step 6: Final answer
    x = 6,848.05

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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.