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Finding the Fourth Proportional to 36,203.60, 54,312.60 and 30,400.40

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Solution

The fourth proportional to 36,203.60, 54,312.60 and 30,400.40 is: 45,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203.60 : 54,312.60 = 30,400.40 : x
  2. Step 2: Convert to fraction form
    36,203.60/54,312.60 = 30,400.40/x
  3. Step 3: Cross multiply
    36,203.60x = 54,312.60 × 30,400.40
  4. Step 4: Simplify right side
    36,203.60x = 1,651,124,765.04
  5. Step 5: Solve for x
    x = 1,651,124,765.04/36,203.60
  6. Step 6: Final answer
    x = 45,606.65

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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.