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Finding the Fourth Proportional to 15,296.17, 22,907.16 and 7,779.97

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Solution

The fourth proportional to 15,296.17, 22,907.16 and 7,779.97 is: 11,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.17 : 22,907.16 = 7,779.97 : x
  2. Step 2: Convert to fraction form
    15,296.17/22,907.16 = 7,779.97/x
  3. Step 3: Cross multiply
    15,296.17x = 22,907.16 × 7,779.97
  4. Step 4: Simplify right side
    15,296.17x = 178,217,017.59
  5. Step 5: Solve for x
    x = 178,217,017.59/15,296.17
  6. Step 6: Final answer
    x = 11,651.09

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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.