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Finding the Fourth Proportional to 61,623, 85,039.44 and 33,328.08

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Solution

The fourth proportional to 61,623, 85,039.44 and 33,328.08 is: 45,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,623 : 85,039.44 = 33,328.08 : x
  2. Step 2: Convert to fraction form
    61,623/85,039.44 = 33,328.08/x
  3. Step 3: Cross multiply
    61,623x = 85,039.44 × 33,328.08
  4. Step 4: Simplify right side
    61,623x = 2,834,201,259.48
  5. Step 5: Solve for x
    x = 2,834,201,259.48/61,623
  6. Step 6: Final answer
    x = 45,992.59

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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.