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Finding the Fourth Proportional to 70,504.69, 97,296.63 and 38,673.71

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Solution

The fourth proportional to 70,504.69, 97,296.63 and 38,673.71 is: 53,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,504.69 : 97,296.63 = 38,673.71 : x
  2. Step 2: Convert to fraction form
    70,504.69/97,296.63 = 38,673.71/x
  3. Step 3: Cross multiply
    70,504.69x = 97,296.63 × 38,673.71
  4. Step 4: Simplify right side
    70,504.69x = 3,762,821,652.60
  5. Step 5: Solve for x
    x = 3,762,821,652.60/70,504.69
  6. Step 6: Final answer
    x = 53,369.81

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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.