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Finding the Fourth Proportional to 25,112.60, 37,668.90 and 19,570.10

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Solution

The fourth proportional to 25,112.60, 37,668.90 and 19,570.10 is: 29,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.60 : 37,668.90 = 19,570.10 : x
  2. Step 2: Convert to fraction form
    25,112.60/37,668.90 = 19,570.10/x
  3. Step 3: Cross multiply
    25,112.60x = 37,668.90 × 19,570.10
  4. Step 4: Simplify right side
    25,112.60x = 737,184,024.93
  5. Step 5: Solve for x
    x = 737,184,024.93/25,112.60
  6. Step 6: Final answer
    x = 29,355.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.