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Finding the Fourth Proportional to 3,483.81, 4,805.01 and 2,223.45

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Solution

The fourth proportional to 3,483.81, 4,805.01 and 2,223.45 is: 3,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.81 : 4,805.01 = 2,223.45 : x
  2. Step 2: Convert to fraction form
    3,483.81/4,805.01 = 2,223.45/x
  3. Step 3: Cross multiply
    3,483.81x = 4,805.01 × 2,223.45
  4. Step 4: Simplify right side
    3,483.81x = 10,683,699.48
  5. Step 5: Solve for x
    x = 10,683,699.48/3,483.81
  6. Step 6: Final answer
    x = 3,066.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.