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Finding the Fourth Proportional to 32,855.70, 49,303.80 and 13,132.20

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Solution

The fourth proportional to 32,855.70, 49,303.80 and 13,132.20 is: 19,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,855.70 : 49,303.80 = 13,132.20 : x
  2. Step 2: Convert to fraction form
    32,855.70/49,303.80 = 13,132.20/x
  3. Step 3: Cross multiply
    32,855.70x = 49,303.80 × 13,132.20
  4. Step 4: Simplify right side
    32,855.70x = 647,467,362.36
  5. Step 5: Solve for x
    x = 647,467,362.36/32,855.70
  6. Step 6: Final answer
    x = 19,706.39

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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.