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Finding the Fourth Proportional to 17,685.04, 26,502.72 and 13,971.04

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Solution

The fourth proportional to 17,685.04, 26,502.72 and 13,971.04 is: 20,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.04 : 26,502.72 = 13,971.04 : x
  2. Step 2: Convert to fraction form
    17,685.04/26,502.72 = 13,971.04/x
  3. Step 3: Cross multiply
    17,685.04x = 26,502.72 × 13,971.04
  4. Step 4: Simplify right side
    17,685.04x = 370,270,561.23
  5. Step 5: Solve for x
    x = 370,270,561.23/17,685.04
  6. Step 6: Final answer
    x = 20,936.94

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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.