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Finding the Fourth Proportional to 6,586.79, 9,091.20 and 4,348.99

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Solution

The fourth proportional to 6,586.79, 9,091.20 and 4,348.99 is: 6,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.79 : 9,091.20 = 4,348.99 : x
  2. Step 2: Convert to fraction form
    6,586.79/9,091.20 = 4,348.99/x
  3. Step 3: Cross multiply
    6,586.79x = 9,091.20 × 4,348.99
  4. Step 4: Simplify right side
    6,586.79x = 39,537,565.56
  5. Step 5: Solve for x
    x = 39,537,565.56/6,586.79
  6. Step 6: Final answer
    x = 6,002.56

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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.