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Finding the Fourth Proportional to 37,290.71, 55,936.07 and 30,703.06

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Solution

The fourth proportional to 37,290.71, 55,936.07 and 30,703.06 is: 46,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,290.71 : 55,936.07 = 30,703.06 : x
  2. Step 2: Convert to fraction form
    37,290.71/55,936.07 = 30,703.06/x
  3. Step 3: Cross multiply
    37,290.71x = 55,936.07 × 30,703.06
  4. Step 4: Simplify right side
    37,290.71x = 1,717,408,513.37
  5. Step 5: Solve for x
    x = 1,717,408,513.37/37,290.71
  6. Step 6: Final answer
    x = 46,054.59

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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.