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Finding the Fourth Proportional to 63,561.64, 87,714.96 and 34,881.48

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Solution

The fourth proportional to 63,561.64, 87,714.96 and 34,881.48 is: 48,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,561.64 : 87,714.96 = 34,881.48 : x
  2. Step 2: Convert to fraction form
    63,561.64/87,714.96 = 34,881.48/x
  3. Step 3: Cross multiply
    63,561.64x = 87,714.96 × 34,881.48
  4. Step 4: Simplify right side
    63,561.64x = 3,059,627,622.94
  5. Step 5: Solve for x
    x = 3,059,627,622.94/63,561.64
  6. Step 6: Final answer
    x = 48,136.39

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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.