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Finding the Fourth Proportional to 44,238, 66,386.16 and 16,536

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Solution

The fourth proportional to 44,238, 66,386.16 and 16,536 is: 24,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,238 : 66,386.16 = 16,536 : x
  2. Step 2: Convert to fraction form
    44,238/66,386.16 = 16,536/x
  3. Step 3: Cross multiply
    44,238x = 66,386.16 × 16,536
  4. Step 4: Simplify right side
    44,238x = 1,097,761,541.76
  5. Step 5: Solve for x
    x = 1,097,761,541.76/44,238
  6. Step 6: Final answer
    x = 24,814.90

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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.