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Finding the Fourth Proportional to 32,492.99, 48,739.49 and 20,880.02

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Solution

The fourth proportional to 32,492.99, 48,739.49 and 20,880.02 is: 31,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,492.99 : 48,739.49 = 20,880.02 : x
  2. Step 2: Convert to fraction form
    32,492.99/48,739.49 = 20,880.02/x
  3. Step 3: Cross multiply
    32,492.99x = 48,739.49 × 20,880.02
  4. Step 4: Simplify right side
    32,492.99x = 1,017,681,525.99
  5. Step 5: Solve for x
    x = 1,017,681,525.99/32,492.99
  6. Step 6: Final answer
    x = 31,320.03

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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.