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Finding the Fourth Proportional to 45,352, 68,033.10 and 12,073.36

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Solution

The fourth proportional to 45,352, 68,033.10 and 12,073.36 is: 18,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352 : 68,033.10 = 12,073.36 : x
  2. Step 2: Convert to fraction form
    45,352/68,033.10 = 12,073.36/x
  3. Step 3: Cross multiply
    45,352x = 68,033.10 × 12,073.36
  4. Step 4: Simplify right side
    45,352x = 821,388,108.22
  5. Step 5: Solve for x
    x = 821,388,108.22/45,352
  6. Step 6: Final answer
    x = 18,111.40

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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.