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Finding the Fourth Proportional to 69,516, 95,931.54 and 37,684.08

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Solution

The fourth proportional to 69,516, 95,931.54 and 37,684.08 is: 52,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,516 : 95,931.54 = 37,684.08 : x
  2. Step 2: Convert to fraction form
    69,516/95,931.54 = 37,684.08/x
  3. Step 3: Cross multiply
    69,516x = 95,931.54 × 37,684.08
  4. Step 4: Simplify right side
    69,516x = 3,615,091,827.88
  5. Step 5: Solve for x
    x = 3,615,091,827.88/69,516
  6. Step 6: Final answer
    x = 52,003.74

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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.