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Finding the Fourth Proportional to 61,765.34, 85,234.28 and 36,271.32

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Solution

The fourth proportional to 61,765.34, 85,234.28 and 36,271.32 is: 50,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765.34 : 85,234.28 = 36,271.32 : x
  2. Step 2: Convert to fraction form
    61,765.34/85,234.28 = 36,271.32/x
  3. Step 3: Cross multiply
    61,765.34x = 85,234.28 × 36,271.32
  4. Step 4: Simplify right side
    61,765.34x = 3,091,559,844.85
  5. Step 5: Solve for x
    x = 3,091,559,844.85/61,765.34
  6. Step 6: Final answer
    x = 50,053.31

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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.