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Finding the Fourth Proportional to 25,701.81, 35,454.81 and 15,633.33

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Solution

The fourth proportional to 25,701.81, 35,454.81 and 15,633.33 is: 21,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.81 : 35,454.81 = 15,633.33 : x
  2. Step 2: Convert to fraction form
    25,701.81/35,454.81 = 15,633.33/x
  3. Step 3: Cross multiply
    25,701.81x = 35,454.81 × 15,633.33
  4. Step 4: Simplify right side
    25,701.81x = 554,276,744.82
  5. Step 5: Solve for x
    x = 554,276,744.82/25,701.81
  6. Step 6: Final answer
    x = 21,565.67

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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.