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Finding the Fourth Proportional to 38,751.51, 57,994.55 and 26,918.63

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Solution

The fourth proportional to 38,751.51, 57,994.55 and 26,918.63 is: 40,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.51 : 57,994.55 = 26,918.63 : x
  2. Step 2: Convert to fraction form
    38,751.51/57,994.55 = 26,918.63/x
  3. Step 3: Cross multiply
    38,751.51x = 57,994.55 × 26,918.63
  4. Step 4: Simplify right side
    38,751.51x = 1,561,133,833.47
  5. Step 5: Solve for x
    x = 1,561,133,833.47/38,751.51
  6. Step 6: Final answer
    x = 40,285.75

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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.