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Finding the Fourth Proportional to 36,895.60, 55,332.60 and 13,200.40

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Solution

The fourth proportional to 36,895.60, 55,332.60 and 13,200.40 is: 19,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,895.60 : 55,332.60 = 13,200.40 : x
  2. Step 2: Convert to fraction form
    36,895.60/55,332.60 = 13,200.40/x
  3. Step 3: Cross multiply
    36,895.60x = 55,332.60 × 13,200.40
  4. Step 4: Simplify right side
    36,895.60x = 730,412,453.04
  5. Step 5: Solve for x
    x = 730,412,453.04/36,895.60
  6. Step 6: Final answer
    x = 19,796.74

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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.