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Finding the Fourth Proportional to 61,616.78, 85,031.16 and 33,322.46

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Solution

The fourth proportional to 61,616.78, 85,031.16 and 33,322.46 is: 45,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,616.78 : 85,031.16 = 33,322.46 : x
  2. Step 2: Convert to fraction form
    61,616.78/85,031.16 = 33,322.46/x
  3. Step 3: Cross multiply
    61,616.78x = 85,031.16 × 33,322.46
  4. Step 4: Simplify right side
    61,616.78x = 2,833,447,427.85
  5. Step 5: Solve for x
    x = 2,833,447,427.85/61,616.78
  6. Step 6: Final answer
    x = 45,985.00

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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.