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Finding the Fourth Proportional to 61,680.58, 85,120.85 and 37,473.30

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Solution

The fourth proportional to 61,680.58, 85,120.85 and 37,473.30 is: 51,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,680.58 : 85,120.85 = 37,473.30 : x
  2. Step 2: Convert to fraction form
    61,680.58/85,120.85 = 37,473.30/x
  3. Step 3: Cross multiply
    61,680.58x = 85,120.85 × 37,473.30
  4. Step 4: Simplify right side
    61,680.58x = 3,189,759,148.31
  5. Step 5: Solve for x
    x = 3,189,759,148.31/61,680.58
  6. Step 6: Final answer
    x = 51,714.16

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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.