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Finding the Fourth Proportional to 64,213.41, 88,609.68 and 35,913.63

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Solution

The fourth proportional to 64,213.41, 88,609.68 and 35,913.63 is: 49,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.41 : 88,609.68 = 35,913.63 : x
  2. Step 2: Convert to fraction form
    64,213.41/88,609.68 = 35,913.63/x
  3. Step 3: Cross multiply
    64,213.41x = 88,609.68 × 35,913.63
  4. Step 4: Simplify right side
    64,213.41x = 3,182,295,261.94
  5. Step 5: Solve for x
    x = 3,182,295,261.94/64,213.41
  6. Step 6: Final answer
    x = 49,558.11

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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.