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Finding the Fourth Proportional to 35,295.49, 52,930.59 and 12,800.49

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Solution

The fourth proportional to 35,295.49, 52,930.59 and 12,800.49 is: 19,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.49 : 52,930.59 = 12,800.49 : x
  2. Step 2: Convert to fraction form
    35,295.49/52,930.59 = 12,800.49/x
  3. Step 3: Cross multiply
    35,295.49x = 52,930.59 × 12,800.49
  4. Step 4: Simplify right side
    35,295.49x = 677,537,223.34
  5. Step 5: Solve for x
    x = 677,537,223.34/35,295.49
  6. Step 6: Final answer
    x = 19,196.14

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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.