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Finding the Fourth Proportional to 14,347, 19,799.87 and 8,059.38

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Solution

The fourth proportional to 14,347, 19,799.87 and 8,059.38 is: 11,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347 : 19,799.87 = 8,059.38 : x
  2. Step 2: Convert to fraction form
    14,347/19,799.87 = 8,059.38/x
  3. Step 3: Cross multiply
    14,347x = 19,799.87 × 8,059.38
  4. Step 4: Simplify right side
    14,347x = 159,574,676.28
  5. Step 5: Solve for x
    x = 159,574,676.28/14,347
  6. Step 6: Final answer
    x = 11,122.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.