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Finding the Fourth Proportional to 29,417.40, 40,575.48 and 19,342.62

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Solution

The fourth proportional to 29,417.40, 40,575.48 and 19,342.62 is: 26,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,417.40 : 40,575.48 = 19,342.62 : x
  2. Step 2: Convert to fraction form
    29,417.40/40,575.48 = 19,342.62/x
  3. Step 3: Cross multiply
    29,417.40x = 40,575.48 × 19,342.62
  4. Step 4: Simplify right side
    29,417.40x = 784,836,090.96
  5. Step 5: Solve for x
    x = 784,836,090.96/29,417.40
  6. Step 6: Final answer
    x = 26,679.32

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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.