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Finding the Fourth Proportional to 5,955.40, 8,942.70 and 4,496.20

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Solution

The fourth proportional to 5,955.40, 8,942.70 and 4,496.20 is: 6,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.40 : 8,942.70 = 4,496.20 : x
  2. Step 2: Convert to fraction form
    5,955.40/8,942.70 = 4,496.20/x
  3. Step 3: Cross multiply
    5,955.40x = 8,942.70 × 4,496.20
  4. Step 4: Simplify right side
    5,955.40x = 40,208,167.74
  5. Step 5: Solve for x
    x = 40,208,167.74/5,955.40
  6. Step 6: Final answer
    x = 6,751.55

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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.