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Finding the Fourth Proportional to 34,166.50, 47,149.78 and 19,262.50

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Solution

The fourth proportional to 34,166.50, 47,149.78 and 19,262.50 is: 26,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,166.50 : 47,149.78 = 19,262.50 : x
  2. Step 2: Convert to fraction form
    34,166.50/47,149.78 = 19,262.50/x
  3. Step 3: Cross multiply
    34,166.50x = 47,149.78 × 19,262.50
  4. Step 4: Simplify right side
    34,166.50x = 908,222,637.25
  5. Step 5: Solve for x
    x = 908,222,637.25/34,166.50
  6. Step 6: Final answer
    x = 26,582.26

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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.