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Finding the Fourth Proportional to 5,974.92, 8,955 and 4,662.72

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Solution

The fourth proportional to 5,974.92, 8,955 and 4,662.72 is: 6,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.92 : 8,955 = 4,662.72 : x
  2. Step 2: Convert to fraction form
    5,974.92/8,955 = 4,662.72/x
  3. Step 3: Cross multiply
    5,974.92x = 8,955 × 4,662.72
  4. Step 4: Simplify right side
    5,974.92x = 41,754,657.60
  5. Step 5: Solve for x
    x = 41,754,657.60/5,974.92
  6. Step 6: Final answer
    x = 6,988.32

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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.