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Finding the Fourth Proportional to 22,448.10, 33,672.15 and 7,653.45

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Solution

The fourth proportional to 22,448.10, 33,672.15 and 7,653.45 is: 11,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.10 : 33,672.15 = 7,653.45 : x
  2. Step 2: Convert to fraction form
    22,448.10/33,672.15 = 7,653.45/x
  3. Step 3: Cross multiply
    22,448.10x = 33,672.15 × 7,653.45
  4. Step 4: Simplify right side
    22,448.10x = 257,708,116.42
  5. Step 5: Solve for x
    x = 257,708,116.42/22,448.10
  6. Step 6: Final answer
    x = 11,480.18

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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.