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Finding the Fourth Proportional to 55,105.02, 76,045.23 and 32,445

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Solution

The fourth proportional to 55,105.02, 76,045.23 and 32,445 is: 44,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,105.02 : 76,045.23 = 32,445 : x
  2. Step 2: Convert to fraction form
    55,105.02/76,045.23 = 32,445/x
  3. Step 3: Cross multiply
    55,105.02x = 76,045.23 × 32,445
  4. Step 4: Simplify right side
    55,105.02x = 2,467,287,487.35
  5. Step 5: Solve for x
    x = 2,467,287,487.35/55,105.02
  6. Step 6: Final answer
    x = 44,774.28

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