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Finding the Fourth Proportional to 9,302.79, 13,953.99 and 2,728.83

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Solution

The fourth proportional to 9,302.79, 13,953.99 and 2,728.83 is: 4,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,302.79 : 13,953.99 = 2,728.83 : x
  2. Step 2: Convert to fraction form
    9,302.79/13,953.99 = 2,728.83/x
  3. Step 3: Cross multiply
    9,302.79x = 13,953.99 × 2,728.83
  4. Step 4: Simplify right side
    9,302.79x = 38,078,066.53
  5. Step 5: Solve for x
    x = 38,078,066.53/9,302.79
  6. Step 6: Final answer
    x = 4,093.19

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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.