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Finding the Fourth Proportional to 32,648.34, 45,041.79 and 21,314.22

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Solution

The fourth proportional to 32,648.34, 45,041.79 and 21,314.22 is: 29,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,648.34 : 45,041.79 = 21,314.22 : x
  2. Step 2: Convert to fraction form
    32,648.34/45,041.79 = 21,314.22/x
  3. Step 3: Cross multiply
    32,648.34x = 45,041.79 × 21,314.22
  4. Step 4: Simplify right side
    32,648.34x = 960,030,621.25
  5. Step 5: Solve for x
    x = 960,030,621.25/32,648.34
  6. Step 6: Final answer
    x = 29,405.19

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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.