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Finding the Fourth Proportional to 25,399.08, 35,050.95 and 14,221.08

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Solution

The fourth proportional to 25,399.08, 35,050.95 and 14,221.08 is: 19,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.08 : 35,050.95 = 14,221.08 : x
  2. Step 2: Convert to fraction form
    25,399.08/35,050.95 = 14,221.08/x
  3. Step 3: Cross multiply
    25,399.08x = 35,050.95 × 14,221.08
  4. Step 4: Simplify right side
    25,399.08x = 498,462,364.03
  5. Step 5: Solve for x
    x = 498,462,364.03/25,399.08
  6. Step 6: Final answer
    x = 19,625.21

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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.