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Finding the Fourth Proportional to 32,877.90, 45,365.67 and 19,449.72

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Solution

The fourth proportional to 32,877.90, 45,365.67 and 19,449.72 is: 26,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,877.90 : 45,365.67 = 19,449.72 : x
  2. Step 2: Convert to fraction form
    32,877.90/45,365.67 = 19,449.72/x
  3. Step 3: Cross multiply
    32,877.90x = 45,365.67 × 19,449.72
  4. Step 4: Simplify right side
    32,877.90x = 882,349,579.11
  5. Step 5: Solve for x
    x = 882,349,579.11/32,877.90
  6. Step 6: Final answer
    x = 26,837.16

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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.