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Finding the Fourth Proportional to 18,968, 26,088.36 and 16,606.04

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Solution

The fourth proportional to 18,968, 26,088.36 and 16,606.04 is: 22,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968 : 26,088.36 = 16,606.04 : x
  2. Step 2: Convert to fraction form
    18,968/26,088.36 = 16,606.04/x
  3. Step 3: Cross multiply
    18,968x = 26,088.36 × 16,606.04
  4. Step 4: Simplify right side
    18,968x = 433,224,349.69
  5. Step 5: Solve for x
    x = 433,224,349.69/18,968
  6. Step 6: Final answer
    x = 22,839.75

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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.