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Finding the Fourth Proportional to 10,744.95, 14,824.22 and 7,021.11

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Solution

The fourth proportional to 10,744.95, 14,824.22 and 7,021.11 is: 9,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.95 : 14,824.22 = 7,021.11 : x
  2. Step 2: Convert to fraction form
    10,744.95/14,824.22 = 7,021.11/x
  3. Step 3: Cross multiply
    10,744.95x = 14,824.22 × 7,021.11
  4. Step 4: Simplify right side
    10,744.95x = 104,082,405.16
  5. Step 5: Solve for x
    x = 104,082,405.16/10,744.95
  6. Step 6: Final answer
    x = 9,686.64

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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.