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Finding the Fourth Proportional to 36,698.40, 55,047.60 and 36,352.80

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Solution

The fourth proportional to 36,698.40, 55,047.60 and 36,352.80 is: 54,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.40 : 55,047.60 = 36,352.80 : x
  2. Step 2: Convert to fraction form
    36,698.40/55,047.60 = 36,352.80/x
  3. Step 3: Cross multiply
    36,698.40x = 55,047.60 × 36,352.80
  4. Step 4: Simplify right side
    36,698.40x = 2,001,134,393.28
  5. Step 5: Solve for x
    x = 2,001,134,393.28/36,698.40
  6. Step 6: Final answer
    x = 54,529.20

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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.