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Finding the Fourth Proportional to 19,260, 26,580.96 and 10,877.04

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Solution

The fourth proportional to 19,260, 26,580.96 and 10,877.04 is: 15,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260 : 26,580.96 = 10,877.04 : x
  2. Step 2: Convert to fraction form
    19,260/26,580.96 = 10,877.04/x
  3. Step 3: Cross multiply
    19,260x = 26,580.96 × 10,877.04
  4. Step 4: Simplify right side
    19,260x = 289,122,165.16
  5. Step 5: Solve for x
    x = 289,122,165.16/19,260
  6. Step 6: Final answer
    x = 15,011.54

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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.