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Finding the Fourth Proportional to 32,987.03, 49,492.98 and 19,848.62

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Solution

The fourth proportional to 32,987.03, 49,492.98 and 19,848.62 is: 29,780.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.03 : 49,492.98 = 19,848.62 : x
  2. Step 2: Convert to fraction form
    32,987.03/49,492.98 = 19,848.62/x
  3. Step 3: Cross multiply
    32,987.03x = 49,492.98 × 19,848.62
  4. Step 4: Simplify right side
    32,987.03x = 982,367,105.22
  5. Step 5: Solve for x
    x = 982,367,105.22/32,987.03
  6. Step 6: Final answer
    x = 29,780.41

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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.