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Finding the Fourth Proportional to 34,365.47, 47,424.47 and 22,421.75

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Solution

The fourth proportional to 34,365.47, 47,424.47 and 22,421.75 is: 30,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,365.47 : 47,424.47 = 22,421.75 : x
  2. Step 2: Convert to fraction form
    34,365.47/47,424.47 = 22,421.75/x
  3. Step 3: Cross multiply
    34,365.47x = 47,424.47 × 22,421.75
  4. Step 4: Simplify right side
    34,365.47x = 1,063,339,260.99
  5. Step 5: Solve for x
    x = 1,063,339,260.99/34,365.47
  6. Step 6: Final answer
    x = 30,942.09

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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.