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Finding the Fourth Proportional to 36,223.60, 54,335.40 and 9,928.30

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Solution

The fourth proportional to 36,223.60, 54,335.40 and 9,928.30 is: 14,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.60 : 54,335.40 = 9,928.30 : x
  2. Step 2: Convert to fraction form
    36,223.60/54,335.40 = 9,928.30/x
  3. Step 3: Cross multiply
    36,223.60x = 54,335.40 × 9,928.30
  4. Step 4: Simplify right side
    36,223.60x = 539,458,151.82
  5. Step 5: Solve for x
    x = 539,458,151.82/36,223.60
  6. Step 6: Final answer
    x = 14,892.45

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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.