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Finding the Fourth Proportional to 32,990.52, 49,495.50 and 19,858.80

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Solution

The fourth proportional to 32,990.52, 49,495.50 and 19,858.80 is: 29,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,990.52 : 49,495.50 = 19,858.80 : x
  2. Step 2: Convert to fraction form
    32,990.52/49,495.50 = 19,858.80/x
  3. Step 3: Cross multiply
    32,990.52x = 49,495.50 × 19,858.80
  4. Step 4: Simplify right side
    32,990.52x = 982,921,235.40
  5. Step 5: Solve for x
    x = 982,921,235.40/32,990.52
  6. Step 6: Final answer
    x = 29,794.05

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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.