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Finding the Fourth Proportional to 54,074.55, 81,064.83 and 25,980.51

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Solution

The fourth proportional to 54,074.55, 81,064.83 and 25,980.51 is: 38,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,074.55 : 81,064.83 = 25,980.51 : x
  2. Step 2: Convert to fraction form
    54,074.55/81,064.83 = 25,980.51/x
  3. Step 3: Cross multiply
    54,074.55x = 81,064.83 × 25,980.51
  4. Step 4: Simplify right side
    54,074.55x = 2,106,105,626.46
  5. Step 5: Solve for x
    x = 2,106,105,626.46/54,074.55
  6. Step 6: Final answer
    x = 38,948.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.