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Finding the Fourth Proportional to 35,653.40, 53,481.63 and 13,468.50

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Solution

The fourth proportional to 35,653.40, 53,481.63 and 13,468.50 is: 20,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.40 : 53,481.63 = 13,468.50 : x
  2. Step 2: Convert to fraction form
    35,653.40/53,481.63 = 13,468.50/x
  3. Step 3: Cross multiply
    35,653.40x = 53,481.63 × 13,468.50
  4. Step 4: Simplify right side
    35,653.40x = 720,317,520.37
  5. Step 5: Solve for x
    x = 720,317,520.37/35,653.40
  6. Step 6: Final answer
    x = 20,203.34

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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.