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Finding the Fourth Proportional to 8,792.98, 12,134.39 and 4,814.13

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Solution

The fourth proportional to 8,792.98, 12,134.39 and 4,814.13 is: 6,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.98 : 12,134.39 = 4,814.13 : x
  2. Step 2: Convert to fraction form
    8,792.98/12,134.39 = 4,814.13/x
  3. Step 3: Cross multiply
    8,792.98x = 12,134.39 × 4,814.13
  4. Step 4: Simplify right side
    8,792.98x = 58,416,461.36
  5. Step 5: Solve for x
    x = 58,416,461.36/8,792.98
  6. Step 6: Final answer
    x = 6,643.53

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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.