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Finding the Fourth Proportional to 38,480.56, 53,084.08 and 25,059.60

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Solution

The fourth proportional to 38,480.56, 53,084.08 and 25,059.60 is: 34,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.56 : 53,084.08 = 25,059.60 : x
  2. Step 2: Convert to fraction form
    38,480.56/53,084.08 = 25,059.60/x
  3. Step 3: Cross multiply
    38,480.56x = 53,084.08 × 25,059.60
  4. Step 4: Simplify right side
    38,480.56x = 1,330,265,811.17
  5. Step 5: Solve for x
    x = 1,330,265,811.17/38,480.56
  6. Step 6: Final answer
    x = 34,569.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.