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Finding the Fourth Proportional to 14,409.71, 21,617.18 and 7,014.18

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Solution

The fourth proportional to 14,409.71, 21,617.18 and 7,014.18 is: 10,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.71 : 21,617.18 = 7,014.18 : x
  2. Step 2: Convert to fraction form
    14,409.71/21,617.18 = 7,014.18/x
  3. Step 3: Cross multiply
    14,409.71x = 21,617.18 × 7,014.18
  4. Step 4: Simplify right side
    14,409.71x = 151,626,756.54
  5. Step 5: Solve for x
    x = 151,626,756.54/14,409.71
  6. Step 6: Final answer
    x = 10,522.54

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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.