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Finding the Fourth Proportional to 33,782.01, 46,619.19 and 18,878.01

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Solution

The fourth proportional to 33,782.01, 46,619.19 and 18,878.01 is: 26,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,782.01 : 46,619.19 = 18,878.01 : x
  2. Step 2: Convert to fraction form
    33,782.01/46,619.19 = 18,878.01/x
  3. Step 3: Cross multiply
    33,782.01x = 46,619.19 × 18,878.01
  4. Step 4: Simplify right side
    33,782.01x = 880,077,535.01
  5. Step 5: Solve for x
    x = 880,077,535.01/33,782.01
  6. Step 6: Final answer
    x = 26,051.66

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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.