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Finding the Fourth Proportional to 4,955.55, 6,834.74 and 4,388.98

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Solution

The fourth proportional to 4,955.55, 6,834.74 and 4,388.98 is: 6,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.55 : 6,834.74 = 4,388.98 : x
  2. Step 2: Convert to fraction form
    4,955.55/6,834.74 = 4,388.98/x
  3. Step 3: Cross multiply
    4,955.55x = 6,834.74 × 4,388.98
  4. Step 4: Simplify right side
    4,955.55x = 29,997,531.05
  5. Step 5: Solve for x
    x = 29,997,531.05/4,955.55
  6. Step 6: Final answer
    x = 6,053.32

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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.