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Finding the Fourth Proportional to 32,995.20, 49,492.80 and 8,371.20

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Solution

The fourth proportional to 32,995.20, 49,492.80 and 8,371.20 is: 12,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,995.20 : 49,492.80 = 8,371.20 : x
  2. Step 2: Convert to fraction form
    32,995.20/49,492.80 = 8,371.20/x
  3. Step 3: Cross multiply
    32,995.20x = 49,492.80 × 8,371.20
  4. Step 4: Simplify right side
    32,995.20x = 414,314,127.36
  5. Step 5: Solve for x
    x = 414,314,127.36/32,995.20
  6. Step 6: Final answer
    x = 12,556.80

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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.