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Finding the Fourth Proportional to 9,815.35, 14,687.03 and 7,223.35

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Solution

The fourth proportional to 9,815.35, 14,687.03 and 7,223.35 is: 10,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.35 : 14,687.03 = 7,223.35 : x
  2. Step 2: Convert to fraction form
    9,815.35/14,687.03 = 7,223.35/x
  3. Step 3: Cross multiply
    9,815.35x = 14,687.03 × 7,223.35
  4. Step 4: Simplify right side
    9,815.35x = 106,089,522.03
  5. Step 5: Solve for x
    x = 106,089,522.03/9,815.35
  6. Step 6: Final answer
    x = 10,808.53

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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.