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Finding the Fourth Proportional to 14,568.88, 21,842.12 and 7,541.36

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Solution

The fourth proportional to 14,568.88, 21,842.12 and 7,541.36 is: 11,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.88 : 21,842.12 = 7,541.36 : x
  2. Step 2: Convert to fraction form
    14,568.88/21,842.12 = 7,541.36/x
  3. Step 3: Cross multiply
    14,568.88x = 21,842.12 × 7,541.36
  4. Step 4: Simplify right side
    14,568.88x = 164,719,290.08
  5. Step 5: Solve for x
    x = 164,719,290.08/14,568.88
  6. Step 6: Final answer
    x = 11,306.24

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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.