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Finding the Fourth Proportional to 69,568.55, 96,004.59 and 39,353.22

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Solution

The fourth proportional to 69,568.55, 96,004.59 and 39,353.22 is: 54,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,568.55 : 96,004.59 = 39,353.22 : x
  2. Step 2: Convert to fraction form
    69,568.55/96,004.59 = 39,353.22/x
  3. Step 3: Cross multiply
    69,568.55x = 96,004.59 × 39,353.22
  4. Step 4: Simplify right side
    69,568.55x = 3,778,089,751.28
  5. Step 5: Solve for x
    x = 3,778,089,751.28/69,568.55
  6. Step 6: Final answer
    x = 54,307.44

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Double scale
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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.