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Finding the Fourth Proportional to 7,880.96, 11,823.04 and 2,950.48

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Solution

The fourth proportional to 7,880.96, 11,823.04 and 2,950.48 is: 4,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.96 : 11,823.04 = 2,950.48 : x
  2. Step 2: Convert to fraction form
    7,880.96/11,823.04 = 2,950.48/x
  3. Step 3: Cross multiply
    7,880.96x = 11,823.04 × 2,950.48
  4. Step 4: Simplify right side
    7,880.96x = 34,883,643.06
  5. Step 5: Solve for x
    x = 34,883,643.06/7,880.96
  6. Step 6: Final answer
    x = 4,426.32

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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.