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Finding the Fourth Proportional to 32,359.95, 48,543.48 and 13,636.53

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Solution

The fourth proportional to 32,359.95, 48,543.48 and 13,636.53 is: 20,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,359.95 : 48,543.48 = 13,636.53 : x
  2. Step 2: Convert to fraction form
    32,359.95/48,543.48 = 13,636.53/x
  3. Step 3: Cross multiply
    32,359.95x = 48,543.48 × 13,636.53
  4. Step 4: Simplify right side
    32,359.95x = 661,964,621.32
  5. Step 5: Solve for x
    x = 661,964,621.32/32,359.95
  6. Step 6: Final answer
    x = 20,456.29

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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.