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Finding the Fourth Proportional to 9,064.49, 12,502.64 and 8,759.67

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Solution

The fourth proportional to 9,064.49, 12,502.64 and 8,759.67 is: 12,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.49 : 12,502.64 = 8,759.67 : x
  2. Step 2: Convert to fraction form
    9,064.49/12,502.64 = 8,759.67/x
  3. Step 3: Cross multiply
    9,064.49x = 12,502.64 × 8,759.67
  4. Step 4: Simplify right side
    9,064.49x = 109,518,956.73
  5. Step 5: Solve for x
    x = 109,518,956.73/9,064.49
  6. Step 6: Final answer
    x = 12,082.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.