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Finding the Fourth Proportional to 61,616.88, 85,031.24 and 33,322.50

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Solution

The fourth proportional to 61,616.88, 85,031.24 and 33,322.50 is: 45,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,616.88 : 85,031.24 = 33,322.50 : x
  2. Step 2: Convert to fraction form
    61,616.88/85,031.24 = 33,322.50/x
  3. Step 3: Cross multiply
    61,616.88x = 85,031.24 × 33,322.50
  4. Step 4: Simplify right side
    61,616.88x = 2,833,453,328.29
  5. Step 5: Solve for x
    x = 2,833,453,328.29/61,616.88
  6. Step 6: Final answer
    x = 45,985.02

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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.