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Finding the Fourth Proportional to 19,364.10, 29,024.55 and 11,048.10

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Solution

The fourth proportional to 19,364.10, 29,024.55 and 11,048.10 is: 16,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.10 : 29,024.55 = 11,048.10 : x
  2. Step 2: Convert to fraction form
    19,364.10/29,024.55 = 11,048.10/x
  3. Step 3: Cross multiply
    19,364.10x = 29,024.55 × 11,048.10
  4. Step 4: Simplify right side
    19,364.10x = 320,666,130.86
  5. Step 5: Solve for x
    x = 320,666,130.86/19,364.10
  6. Step 6: Final answer
    x = 16,559.83

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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.