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Finding the Fourth Proportional to 45,885.69, 68,852.23 and 19,583.37

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Solution

The fourth proportional to 45,885.69, 68,852.23 and 19,583.37 is: 29,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,885.69 : 68,852.23 = 19,583.37 : x
  2. Step 2: Convert to fraction form
    45,885.69/68,852.23 = 19,583.37/x
  3. Step 3: Cross multiply
    45,885.69x = 68,852.23 × 19,583.37
  4. Step 4: Simplify right side
    45,885.69x = 1,348,358,646.46
  5. Step 5: Solve for x
    x = 1,348,358,646.46/45,885.69
  6. Step 6: Final answer
    x = 29,385.17

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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.