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Finding the Fourth Proportional to 39,401.58, 54,357.03 and 25,955.58

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Solution

The fourth proportional to 39,401.58, 54,357.03 and 25,955.58 is: 35,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.58 : 54,357.03 = 25,955.58 : x
  2. Step 2: Convert to fraction form
    39,401.58/54,357.03 = 25,955.58/x
  3. Step 3: Cross multiply
    39,401.58x = 54,357.03 × 25,955.58
  4. Step 4: Simplify right side
    39,401.58x = 1,410,868,240.73
  5. Step 5: Solve for x
    x = 1,410,868,240.73/39,401.58
  6. Step 6: Final answer
    x = 35,807.40

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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.