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Finding the Fourth Proportional to 7,953.64, 11,926.98 and 3,270.52

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Solution

The fourth proportional to 7,953.64, 11,926.98 and 3,270.52 is: 4,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.64 : 11,926.98 = 3,270.52 : x
  2. Step 2: Convert to fraction form
    7,953.64/11,926.98 = 3,270.52/x
  3. Step 3: Cross multiply
    7,953.64x = 11,926.98 × 3,270.52
  4. Step 4: Simplify right side
    7,953.64x = 39,007,426.63
  5. Step 5: Solve for x
    x = 39,007,426.63/7,953.64
  6. Step 6: Final answer
    x = 4,904.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.