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Finding the Fourth Proportional to 70,504.50, 97,296.21 and 38,673.47

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Solution

The fourth proportional to 70,504.50, 97,296.21 and 38,673.47 is: 53,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,504.50 : 97,296.21 = 38,673.47 : x
  2. Step 2: Convert to fraction form
    70,504.50/97,296.21 = 38,673.47/x
  3. Step 3: Cross multiply
    70,504.50x = 97,296.21 × 38,673.47
  4. Step 4: Simplify right side
    70,504.50x = 3,762,782,301.79
  5. Step 5: Solve for x
    x = 3,762,782,301.79/70,504.50
  6. Step 6: Final answer
    x = 53,369.39

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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.