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Finding the Fourth Proportional to 7,446.88, 11,114.60 and 7,323.87

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Solution

The fourth proportional to 7,446.88, 11,114.60 and 7,323.87 is: 10,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.88 : 11,114.60 = 7,323.87 : x
  2. Step 2: Convert to fraction form
    7,446.88/11,114.60 = 7,323.87/x
  3. Step 3: Cross multiply
    7,446.88x = 11,114.60 × 7,323.87
  4. Step 4: Simplify right side
    7,446.88x = 81,401,829.93
  5. Step 5: Solve for x
    x = 81,401,829.93/7,446.88
  6. Step 6: Final answer
    x = 10,931.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.