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Finding the Fourth Proportional to 18,880, 26,054.94 and 10,497.04

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Solution

The fourth proportional to 18,880, 26,054.94 and 10,497.04 is: 14,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880 : 26,054.94 = 10,497.04 : x
  2. Step 2: Convert to fraction form
    18,880/26,054.94 = 10,497.04/x
  3. Step 3: Cross multiply
    18,880x = 26,054.94 × 10,497.04
  4. Step 4: Simplify right side
    18,880x = 273,499,747.38
  5. Step 5: Solve for x
    x = 273,499,747.38/18,880
  6. Step 6: Final answer
    x = 14,486.22

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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.