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Finding the Fourth Proportional to 44,071, 66,106.50 and 11,239

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Solution

The fourth proportional to 44,071, 66,106.50 and 11,239 is: 16,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,071 : 66,106.50 = 11,239 : x
  2. Step 2: Convert to fraction form
    44,071/66,106.50 = 11,239/x
  3. Step 3: Cross multiply
    44,071x = 66,106.50 × 11,239
  4. Step 4: Simplify right side
    44,071x = 742,970,953.50
  5. Step 5: Solve for x
    x = 742,970,953.50/44,071
  6. Step 6: Final answer
    x = 16,858.50

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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.