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Finding the Fourth Proportional to 32,643.66, 48,958.20 and 12,926.64

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Solution

The fourth proportional to 32,643.66, 48,958.20 and 12,926.64 is: 19,387.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,643.66 : 48,958.20 = 12,926.64 : x
  2. Step 2: Convert to fraction form
    32,643.66/48,958.20 = 12,926.64/x
  3. Step 3: Cross multiply
    32,643.66x = 48,958.20 × 12,926.64
  4. Step 4: Simplify right side
    32,643.66x = 632,865,026.45
  5. Step 5: Solve for x
    x = 632,865,026.45/32,643.66
  6. Step 6: Final answer
    x = 19,387.07

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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.