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Finding the Fourth Proportional to 14,517.54, 21,776.23 and 5,283.54

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Solution

The fourth proportional to 14,517.54, 21,776.23 and 5,283.54 is: 7,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.54 : 21,776.23 = 5,283.54 : x
  2. Step 2: Convert to fraction form
    14,517.54/21,776.23 = 5,283.54/x
  3. Step 3: Cross multiply
    14,517.54x = 21,776.23 × 5,283.54
  4. Step 4: Simplify right side
    14,517.54x = 115,055,582.25
  5. Step 5: Solve for x
    x = 115,055,582.25/14,517.54
  6. Step 6: Final answer
    x = 7,925.28

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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.