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Finding the Fourth Proportional to 69,636.56, 96,099.04 and 40,948.56

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Solution

The fourth proportional to 69,636.56, 96,099.04 and 40,948.56 is: 56,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,636.56 : 96,099.04 = 40,948.56 : x
  2. Step 2: Convert to fraction form
    69,636.56/96,099.04 = 40,948.56/x
  3. Step 3: Cross multiply
    69,636.56x = 96,099.04 × 40,948.56
  4. Step 4: Simplify right side
    69,636.56x = 3,935,117,305.38
  5. Step 5: Solve for x
    x = 3,935,117,305.38/69,636.56
  6. Step 6: Final answer
    x = 56,509.36

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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.