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Finding the Fourth Proportional to 69,010.50, 95,306.78 and 47,556.03

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Solution

The fourth proportional to 69,010.50, 95,306.78 and 47,556.03 is: 65,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,010.50 : 95,306.78 = 47,556.03 : x
  2. Step 2: Convert to fraction form
    69,010.50/95,306.78 = 47,556.03/x
  3. Step 3: Cross multiply
    69,010.50x = 95,306.78 × 47,556.03
  4. Step 4: Simplify right side
    69,010.50x = 4,532,411,851.10
  5. Step 5: Solve for x
    x = 4,532,411,851.10/69,010.50
  6. Step 6: Final answer
    x = 65,677.13

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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.