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Finding the Fourth Proportional to 36,752.40, 55,128.60 and 19,227.60

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Solution

The fourth proportional to 36,752.40, 55,128.60 and 19,227.60 is: 28,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,752.40 : 55,128.60 = 19,227.60 : x
  2. Step 2: Convert to fraction form
    36,752.40/55,128.60 = 19,227.60/x
  3. Step 3: Cross multiply
    36,752.40x = 55,128.60 × 19,227.60
  4. Step 4: Simplify right side
    36,752.40x = 1,059,990,669.36
  5. Step 5: Solve for x
    x = 1,059,990,669.36/36,752.40
  6. Step 6: Final answer
    x = 28,841.40

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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.