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Finding the Fourth Proportional to 29,915.51, 44,890.71 and 11,208.68

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Solution

The fourth proportional to 29,915.51, 44,890.71 and 11,208.68 is: 16,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.51 : 44,890.71 = 11,208.68 : x
  2. Step 2: Convert to fraction form
    29,915.51/44,890.71 = 11,208.68/x
  3. Step 3: Cross multiply
    29,915.51x = 44,890.71 × 11,208.68
  4. Step 4: Simplify right side
    29,915.51x = 503,165,603.36
  5. Step 5: Solve for x
    x = 503,165,603.36/29,915.51
  6. Step 6: Final answer
    x = 16,819.56

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1.5x scale

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.