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Finding the Fourth Proportional to 10,846.40, 16,269.60 and 5,300.60

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Solution

The fourth proportional to 10,846.40, 16,269.60 and 5,300.60 is: 7,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,846.40 : 16,269.60 = 5,300.60 : x
  2. Step 2: Convert to fraction form
    10,846.40/16,269.60 = 5,300.60/x
  3. Step 3: Cross multiply
    10,846.40x = 16,269.60 × 5,300.60
  4. Step 4: Simplify right side
    10,846.40x = 86,238,641.76
  5. Step 5: Solve for x
    x = 86,238,641.76/10,846.40
  6. Step 6: Final answer
    x = 7,950.90

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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.