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Finding the Fourth Proportional to 14,878.56, 22,304.16 and 7,380.48

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Solution

The fourth proportional to 14,878.56, 22,304.16 and 7,380.48 is: 11,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.56 : 22,304.16 = 7,380.48 : x
  2. Step 2: Convert to fraction form
    14,878.56/22,304.16 = 7,380.48/x
  3. Step 3: Cross multiply
    14,878.56x = 22,304.16 × 7,380.48
  4. Step 4: Simplify right side
    14,878.56x = 164,615,406.80
  5. Step 5: Solve for x
    x = 164,615,406.80/14,878.56
  6. Step 6: Final answer
    x = 11,063.93

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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.