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Finding the Fourth Proportional to 64,646.46, 89,213.22 and 35,968.41

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Solution

The fourth proportional to 64,646.46, 89,213.22 and 35,968.41 is: 49,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,646.46 : 89,213.22 = 35,968.41 : x
  2. Step 2: Convert to fraction form
    64,646.46/89,213.22 = 35,968.41/x
  3. Step 3: Cross multiply
    64,646.46x = 89,213.22 × 35,968.41
  4. Step 4: Simplify right side
    64,646.46x = 3,208,857,674.38
  5. Step 5: Solve for x
    x = 3,208,857,674.38/64,646.46
  6. Step 6: Final answer
    x = 49,637.02

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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.