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Finding the Fourth Proportional to 32,578.94, 48,842.32 and 21,403.82

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Solution

The fourth proportional to 32,578.94, 48,842.32 and 21,403.82 is: 32,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.94 : 48,842.32 = 21,403.82 : x
  2. Step 2: Convert to fraction form
    32,578.94/48,842.32 = 21,403.82/x
  3. Step 3: Cross multiply
    32,578.94x = 48,842.32 × 21,403.82
  4. Step 4: Simplify right side
    32,578.94x = 1,045,412,225.66
  5. Step 5: Solve for x
    x = 1,045,412,225.66/32,578.94
  6. Step 6: Final answer
    x = 32,088.59

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Why These Related Problems?

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