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Finding the Fourth Proportional to 32,605.10, 48,907.65 and 30,401.90

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Solution

The fourth proportional to 32,605.10, 48,907.65 and 30,401.90 is: 45,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,605.10 : 48,907.65 = 30,401.90 : x
  2. Step 2: Convert to fraction form
    32,605.10/48,907.65 = 30,401.90/x
  3. Step 3: Cross multiply
    32,605.10x = 48,907.65 × 30,401.90
  4. Step 4: Simplify right side
    32,605.10x = 1,486,885,484.54
  5. Step 5: Solve for x
    x = 1,486,885,484.54/32,605.10
  6. Step 6: Final answer
    x = 45,602.85

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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.