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Finding the Fourth Proportional to 44,235, 66,352.50 and 11,403

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Solution

The fourth proportional to 44,235, 66,352.50 and 11,403 is: 17,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,235 : 66,352.50 = 11,403 : x
  2. Step 2: Convert to fraction form
    44,235/66,352.50 = 11,403/x
  3. Step 3: Cross multiply
    44,235x = 66,352.50 × 11,403
  4. Step 4: Simplify right side
    44,235x = 756,617,557.50
  5. Step 5: Solve for x
    x = 756,617,557.50/44,235
  6. Step 6: Final answer
    x = 17,104.50

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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.