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Finding the Fourth Proportional to 32,365.42, 44,655.54 and 18,940

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Solution

The fourth proportional to 32,365.42, 44,655.54 and 18,940 is: 26,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,365.42 : 44,655.54 = 18,940 : x
  2. Step 2: Convert to fraction form
    32,365.42/44,655.54 = 18,940/x
  3. Step 3: Cross multiply
    32,365.42x = 44,655.54 × 18,940
  4. Step 4: Simplify right side
    32,365.42x = 845,775,927.60
  5. Step 5: Solve for x
    x = 845,775,927.60/32,365.42
  6. Step 6: Final answer
    x = 26,132.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.