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Finding the Fourth Proportional to 61,782.51, 85,259.61 and 33,488.13

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Solution

The fourth proportional to 61,782.51, 85,259.61 and 33,488.13 is: 46,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,782.51 : 85,259.61 = 33,488.13 : x
  2. Step 2: Convert to fraction form
    61,782.51/85,259.61 = 33,488.13/x
  3. Step 3: Cross multiply
    61,782.51x = 85,259.61 × 33,488.13
  4. Step 4: Simplify right side
    61,782.51x = 2,855,184,903.43
  5. Step 5: Solve for x
    x = 2,855,184,903.43/61,782.51
  6. Step 6: Final answer
    x = 46,213.48

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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.