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Finding the Fourth Proportional to 25,661.99, 35,403.31 and 16,706.22

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Solution

The fourth proportional to 25,661.99, 35,403.31 and 16,706.22 is: 23,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.99 : 35,403.31 = 16,706.22 : x
  2. Step 2: Convert to fraction form
    25,661.99/35,403.31 = 16,706.22/x
  3. Step 3: Cross multiply
    25,661.99x = 35,403.31 × 16,706.22
  4. Step 4: Simplify right side
    25,661.99x = 591,455,485.59
  5. Step 5: Solve for x
    x = 591,455,485.59/25,661.99
  6. Step 6: Final answer
    x = 23,047.92

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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.