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Finding the Fourth Proportional to 32,779.66, 45,252.40 and 19,355.12

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Solution

The fourth proportional to 32,779.66, 45,252.40 and 19,355.12 is: 26,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,779.66 : 45,252.40 = 19,355.12 : x
  2. Step 2: Convert to fraction form
    32,779.66/45,252.40 = 19,355.12/x
  3. Step 3: Cross multiply
    32,779.66x = 45,252.40 × 19,355.12
  4. Step 4: Simplify right side
    32,779.66x = 875,865,632.29
  5. Step 5: Solve for x
    x = 875,865,632.29/32,779.66
  6. Step 6: Final answer
    x = 26,719.79

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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.