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Finding the Fourth Proportional to 25,965.60, 35,833.52 and 14,639.60

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Solution

The fourth proportional to 25,965.60, 35,833.52 and 14,639.60 is: 20,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.60 : 35,833.52 = 14,639.60 : x
  2. Step 2: Convert to fraction form
    25,965.60/35,833.52 = 14,639.60/x
  3. Step 3: Cross multiply
    25,965.60x = 35,833.52 × 14,639.60
  4. Step 4: Simplify right side
    25,965.60x = 524,588,399.39
  5. Step 5: Solve for x
    x = 524,588,399.39/25,965.60
  6. Step 6: Final answer
    x = 20,203.21

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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.