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Finding the Fourth Proportional to 32,359.68, 48,539.52 and 8,986.08

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Solution

The fourth proportional to 32,359.68, 48,539.52 and 8,986.08 is: 13,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,359.68 : 48,539.52 = 8,986.08 : x
  2. Step 2: Convert to fraction form
    32,359.68/48,539.52 = 8,986.08/x
  3. Step 3: Cross multiply
    32,359.68x = 48,539.52 × 8,986.08
  4. Step 4: Simplify right side
    32,359.68x = 436,180,009.88
  5. Step 5: Solve for x
    x = 436,180,009.88/32,359.68
  6. Step 6: Final answer
    x = 13,479.12

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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.