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Finding the Fourth Proportional to 64,369.44, 88,851.60 and 40,536

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Solution

The fourth proportional to 64,369.44, 88,851.60 and 40,536 is: 55,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.44 : 88,851.60 = 40,536 : x
  2. Step 2: Convert to fraction form
    64,369.44/88,851.60 = 40,536/x
  3. Step 3: Cross multiply
    64,369.44x = 88,851.60 × 40,536
  4. Step 4: Simplify right side
    64,369.44x = 3,601,688,457.60
  5. Step 5: Solve for x
    x = 3,601,688,457.60/64,369.44
  6. Step 6: Final answer
    x = 55,953.39

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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.