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Finding the Fourth Proportional to 25,888.41, 35,749.42 and 16,345.19

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Solution

The fourth proportional to 25,888.41, 35,749.42 and 16,345.19 is: 22,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.41 : 35,749.42 = 16,345.19 : x
  2. Step 2: Convert to fraction form
    25,888.41/35,749.42 = 16,345.19/x
  3. Step 3: Cross multiply
    25,888.41x = 35,749.42 × 16,345.19
  4. Step 4: Simplify right side
    25,888.41x = 584,331,110.80
  5. Step 5: Solve for x
    x = 584,331,110.80/25,888.41
  6. Step 6: Final answer
    x = 22,571.15

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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.