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Finding the Fourth Proportional to 63,682.85, 87,883.25 and 35,005.16

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Solution

The fourth proportional to 63,682.85, 87,883.25 and 35,005.16 is: 48,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,682.85 : 87,883.25 = 35,005.16 : x
  2. Step 2: Convert to fraction form
    63,682.85/87,883.25 = 35,005.16/x
  3. Step 3: Cross multiply
    63,682.85x = 87,883.25 × 35,005.16
  4. Step 4: Simplify right side
    63,682.85x = 3,076,366,613.13
  5. Step 5: Solve for x
    x = 3,076,366,613.13/63,682.85
  6. Step 6: Final answer
    x = 48,307.62

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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.