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Finding the Fourth Proportional to 15,907.74, 23,869.80 and 6,554.67

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Solution

The fourth proportional to 15,907.74, 23,869.80 and 6,554.67 is: 9,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.74 : 23,869.80 = 6,554.67 : x
  2. Step 2: Convert to fraction form
    15,907.74/23,869.80 = 6,554.67/x
  3. Step 3: Cross multiply
    15,907.74x = 23,869.80 × 6,554.67
  4. Step 4: Simplify right side
    15,907.74x = 156,458,661.97
  5. Step 5: Solve for x
    x = 156,458,661.97/15,907.74
  6. Step 6: Final answer
    x = 9,835.38

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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.