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Finding the Fourth Proportional to 8,355.53, 12,538.22 and 3,094.23

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Solution

The fourth proportional to 8,355.53, 12,538.22 and 3,094.23 is: 4,643.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.53 : 12,538.22 = 3,094.23 : x
  2. Step 2: Convert to fraction form
    8,355.53/12,538.22 = 3,094.23/x
  3. Step 3: Cross multiply
    8,355.53x = 12,538.22 × 3,094.23
  4. Step 4: Simplify right side
    8,355.53x = 38,796,136.47
  5. Step 5: Solve for x
    x = 38,796,136.47/8,355.53
  6. Step 6: Final answer
    x = 4,643.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.