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Finding the Fourth Proportional to 32,559.60, 48,709.80 and 28,225.20

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Solution

The fourth proportional to 32,559.60, 48,709.80 and 28,225.20 is: 42,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,559.60 : 48,709.80 = 28,225.20 : x
  2. Step 2: Convert to fraction form
    32,559.60/48,709.80 = 28,225.20/x
  3. Step 3: Cross multiply
    32,559.60x = 48,709.80 × 28,225.20
  4. Step 4: Simplify right side
    32,559.60x = 1,374,843,846.96
  5. Step 5: Solve for x
    x = 1,374,843,846.96/32,559.60
  6. Step 6: Final answer
    x = 42,225.45

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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.