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Finding the Fourth Proportional to 9,861.48, 14,790.06 and 6,941.16

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Solution

The fourth proportional to 9,861.48, 14,790.06 and 6,941.16 is: 10,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.48 : 14,790.06 = 6,941.16 : x
  2. Step 2: Convert to fraction form
    9,861.48/14,790.06 = 6,941.16/x
  3. Step 3: Cross multiply
    9,861.48x = 14,790.06 × 6,941.16
  4. Step 4: Simplify right side
    9,861.48x = 102,660,172.87
  5. Step 5: Solve for x
    x = 102,660,172.87/9,861.48
  6. Step 6: Final answer
    x = 10,410.22

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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.