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Finding the Fourth Proportional to 9,360.40, 14,024.40 and 8,064.40

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Solution

The fourth proportional to 9,360.40, 14,024.40 and 8,064.40 is: 12,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.40 : 14,024.40 = 8,064.40 : x
  2. Step 2: Convert to fraction form
    9,360.40/14,024.40 = 8,064.40/x
  3. Step 3: Cross multiply
    9,360.40x = 14,024.40 × 8,064.40
  4. Step 4: Simplify right side
    9,360.40x = 113,098,371.36
  5. Step 5: Solve for x
    x = 113,098,371.36/9,360.40
  6. Step 6: Final answer
    x = 12,082.64

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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.