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Finding the Fourth Proportional to 42,993.00, 64,575.45 and 25,930.00

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Solution

The fourth proportional to 42,993.00, 64,575.45 and 25,930.00 is: 38,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,993.00 : 64,575.45 = 25,930.00 : x
  2. Step 2: Convert to fraction form
    42,993.00/64,575.45 = 25,930.00/x
  3. Step 3: Cross multiply
    42,993.00x = 64,575.45 × 25,930.00
  4. Step 4: Simplify right side
    42,993.00x = 1,674,441,472.05
  5. Step 5: Solve for x
    x = 1,674,441,472.05/42,993.00
  6. Step 6: Final answer
    x = 38,946.84

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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.