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Finding the Fourth Proportional to 69,613.80, 104,420.70 and 62,396.70

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Solution

The fourth proportional to 69,613.80, 104,420.70 and 62,396.70 is: 93,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613.80 : 104,420.70 = 62,396.70 : x
  2. Step 2: Convert to fraction form
    69,613.80/104,420.70 = 62,396.70/x
  3. Step 3: Cross multiply
    69,613.80x = 104,420.70 × 62,396.70
  4. Step 4: Simplify right side
    69,613.80x = 6,515,507,091.69
  5. Step 5: Solve for x
    x = 6,515,507,091.69/69,613.80
  6. Step 6: Final answer
    x = 93,595.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.