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Finding the Fourth Proportional to 30,558.68, 45,842.44 and 11,590.32

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Solution

The fourth proportional to 30,558.68, 45,842.44 and 11,590.32 is: 17,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.68 : 45,842.44 = 11,590.32 : x
  2. Step 2: Convert to fraction form
    30,558.68/45,842.44 = 11,590.32/x
  3. Step 3: Cross multiply
    30,558.68x = 45,842.44 × 11,590.32
  4. Step 4: Simplify right side
    30,558.68x = 531,328,549.18
  5. Step 5: Solve for x
    x = 531,328,549.18/30,558.68
  6. Step 6: Final answer
    x = 17,387.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.