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Finding the Fourth Proportional to 52,044.95, 78,067.62 and 12,602

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Solution

The fourth proportional to 52,044.95, 78,067.62 and 12,602 is: 18,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.95 : 78,067.62 = 12,602 : x
  2. Step 2: Convert to fraction form
    52,044.95/78,067.62 = 12,602/x
  3. Step 3: Cross multiply
    52,044.95x = 78,067.62 × 12,602
  4. Step 4: Simplify right side
    52,044.95x = 983,808,147.24
  5. Step 5: Solve for x
    x = 983,808,147.24/52,044.95
  6. Step 6: Final answer
    x = 18,903.05

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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.