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Finding the Fourth Proportional to 22,378.80, 33,547.20 and 8,335.44

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Solution

The fourth proportional to 22,378.80, 33,547.20 and 8,335.44 is: 12,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.80 : 33,547.20 = 8,335.44 : x
  2. Step 2: Convert to fraction form
    22,378.80/33,547.20 = 8,335.44/x
  3. Step 3: Cross multiply
    22,378.80x = 33,547.20 × 8,335.44
  4. Step 4: Simplify right side
    22,378.80x = 279,630,672.77
  5. Step 5: Solve for x
    x = 279,630,672.77/22,378.80
  6. Step 6: Final answer
    x = 12,495.34

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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.