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Finding the Fourth Proportional to 15,907.19, 23,865.15 and 7,029.65

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Solution

The fourth proportional to 15,907.19, 23,865.15 and 7,029.65 is: 10,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.19 : 23,865.15 = 7,029.65 : x
  2. Step 2: Convert to fraction form
    15,907.19/23,865.15 = 7,029.65/x
  3. Step 3: Cross multiply
    15,907.19x = 23,865.15 × 7,029.65
  4. Step 4: Simplify right side
    15,907.19x = 167,763,532.37
  5. Step 5: Solve for x
    x = 167,763,532.37/15,907.19
  6. Step 6: Final answer
    x = 10,546.40

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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.