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Finding the Fourth Proportional to 7,283.63, 10,051.40 and 3,971.63

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Solution

The fourth proportional to 7,283.63, 10,051.40 and 3,971.63 is: 5,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.63 : 10,051.40 = 3,971.63 : x
  2. Step 2: Convert to fraction form
    7,283.63/10,051.40 = 3,971.63/x
  3. Step 3: Cross multiply
    7,283.63x = 10,051.40 × 3,971.63
  4. Step 4: Simplify right side
    7,283.63x = 39,920,401.45
  5. Step 5: Solve for x
    x = 39,920,401.45/7,283.63
  6. Step 6: Final answer
    x = 5,480.84

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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.