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Finding the Fourth Proportional to 69,568.56, 96,004.60 and 39,353.20

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Solution

The fourth proportional to 69,568.56, 96,004.60 and 39,353.20 is: 54,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,568.56 : 96,004.60 = 39,353.20 : x
  2. Step 2: Convert to fraction form
    69,568.56/96,004.60 = 39,353.20/x
  3. Step 3: Cross multiply
    69,568.56x = 96,004.60 × 39,353.20
  4. Step 4: Simplify right side
    69,568.56x = 3,778,088,224.72
  5. Step 5: Solve for x
    x = 3,778,088,224.72/69,568.56
  6. Step 6: Final answer
    x = 54,307.41

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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.