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Finding the Fourth Proportional to 36,699.10, 55,050.45 and 19,203.10

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Solution

The fourth proportional to 36,699.10, 55,050.45 and 19,203.10 is: 28,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.10 : 55,050.45 = 19,203.10 : x
  2. Step 2: Convert to fraction form
    36,699.10/55,050.45 = 19,203.10/x
  3. Step 3: Cross multiply
    36,699.10x = 55,050.45 × 19,203.10
  4. Step 4: Simplify right side
    36,699.10x = 1,057,139,296.40
  5. Step 5: Solve for x
    x = 1,057,139,296.40/36,699.10
  6. Step 6: Final answer
    x = 28,805.59

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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.