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Finding the Fourth Proportional to 34,561.02, 47,693.73 and 20,230.74

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Solution

The fourth proportional to 34,561.02, 47,693.73 and 20,230.74 is: 27,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,561.02 : 47,693.73 = 20,230.74 : x
  2. Step 2: Convert to fraction form
    34,561.02/47,693.73 = 20,230.74/x
  3. Step 3: Cross multiply
    34,561.02x = 47,693.73 × 20,230.74
  4. Step 4: Simplify right side
    34,561.02x = 964,879,451.26
  5. Step 5: Solve for x
    x = 964,879,451.26/34,561.02
  6. Step 6: Final answer
    x = 27,918.14

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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.