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Finding the Fourth Proportional to 25,620.95, 35,357.79 and 14,865.01

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Solution

The fourth proportional to 25,620.95, 35,357.79 and 14,865.01 is: 20,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.95 : 35,357.79 = 14,865.01 : x
  2. Step 2: Convert to fraction form
    25,620.95/35,357.79 = 14,865.01/x
  3. Step 3: Cross multiply
    25,620.95x = 35,357.79 × 14,865.01
  4. Step 4: Simplify right side
    25,620.95x = 525,593,901.93
  5. Step 5: Solve for x
    x = 525,593,901.93/25,620.95
  6. Step 6: Final answer
    x = 20,514.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.