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Finding the Fourth Proportional to 53,653.60, 80,480.40 and 22,485.60

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Solution

The fourth proportional to 53,653.60, 80,480.40 and 22,485.60 is: 33,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.60 : 80,480.40 = 22,485.60 : x
  2. Step 2: Convert to fraction form
    53,653.60/80,480.40 = 22,485.60/x
  3. Step 3: Cross multiply
    53,653.60x = 80,480.40 × 22,485.60
  4. Step 4: Simplify right side
    53,653.60x = 1,809,650,082.24
  5. Step 5: Solve for x
    x = 1,809,650,082.24/53,653.60
  6. Step 6: Final answer
    x = 33,728.40

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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.