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Finding the Fourth Proportional to 61,514.63, 84,890.19 and 33,220.32

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Solution

The fourth proportional to 61,514.63, 84,890.19 and 33,220.32 is: 45,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,514.63 : 84,890.19 = 33,220.32 : x
  2. Step 2: Convert to fraction form
    61,514.63/84,890.19 = 33,220.32/x
  3. Step 3: Cross multiply
    61,514.63x = 84,890.19 × 33,220.32
  4. Step 4: Simplify right side
    61,514.63x = 2,820,078,877.87
  5. Step 5: Solve for x
    x = 2,820,078,877.87/61,514.63
  6. Step 6: Final answer
    x = 45,844.04

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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.