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Finding the Fourth Proportional to 32,598.99, 48,898.50 and 20,986.02

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Solution

The fourth proportional to 32,598.99, 48,898.50 and 20,986.02 is: 31,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,598.99 : 48,898.50 = 20,986.02 : x
  2. Step 2: Convert to fraction form
    32,598.99/48,898.50 = 20,986.02/x
  3. Step 3: Cross multiply
    32,598.99x = 48,898.50 × 20,986.02
  4. Step 4: Simplify right side
    32,598.99x = 1,026,184,898.97
  5. Step 5: Solve for x
    x = 1,026,184,898.97/32,598.99
  6. Step 6: Final answer
    x = 31,479.04

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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.