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Finding the Fourth Proportional to 10,323.98, 15,486.99 and 3,302.23

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Solution

The fourth proportional to 10,323.98, 15,486.99 and 3,302.23 is: 4,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.98 : 15,486.99 = 3,302.23 : x
  2. Step 2: Convert to fraction form
    10,323.98/15,486.99 = 3,302.23/x
  3. Step 3: Cross multiply
    10,323.98x = 15,486.99 × 3,302.23
  4. Step 4: Simplify right side
    10,323.98x = 51,141,537.37
  5. Step 5: Solve for x
    x = 51,141,537.37/10,323.98
  6. Step 6: Final answer
    x = 4,953.67

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Double scale
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Similar ratio
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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.