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Finding the Fourth Proportional to 31,165.07, 46,764.61 and 18,043.07

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Solution

The fourth proportional to 31,165.07, 46,764.61 and 18,043.07 is: 27,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.07 : 46,764.61 = 18,043.07 : x
  2. Step 2: Convert to fraction form
    31,165.07/46,764.61 = 18,043.07/x
  3. Step 3: Cross multiply
    31,165.07x = 46,764.61 × 18,043.07
  4. Step 4: Simplify right side
    31,165.07x = 843,776,852.82
  5. Step 5: Solve for x
    x = 843,776,852.82/31,165.07
  6. Step 6: Final answer
    x = 27,074.45

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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.