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Finding the Fourth Proportional to 9,941.64, 14,904.98 and 8,571.12

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Solution

The fourth proportional to 9,941.64, 14,904.98 and 8,571.12 is: 12,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.64 : 14,904.98 = 8,571.12 : x
  2. Step 2: Convert to fraction form
    9,941.64/14,904.98 = 8,571.12/x
  3. Step 3: Cross multiply
    9,941.64x = 14,904.98 × 8,571.12
  4. Step 4: Simplify right side
    9,941.64x = 127,752,372.18
  5. Step 5: Solve for x
    x = 127,752,372.18/9,941.64
  6. Step 6: Final answer
    x = 12,850.23

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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.