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Finding the Fourth Proportional to 9,017.65, 13,529.72 and 7,935.49

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Solution

The fourth proportional to 9,017.65, 13,529.72 and 7,935.49 is: 11,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.65 : 13,529.72 = 7,935.49 : x
  2. Step 2: Convert to fraction form
    9,017.65/13,529.72 = 7,935.49/x
  3. Step 3: Cross multiply
    9,017.65x = 13,529.72 × 7,935.49
  4. Step 4: Simplify right side
    9,017.65x = 107,364,957.76
  5. Step 5: Solve for x
    x = 107,364,957.76/9,017.65
  6. Step 6: Final answer
    x = 11,906.09

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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.