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Finding the Fourth Proportional to 40,598.15, 60,905.43 and 16,907.47

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Solution

The fourth proportional to 40,598.15, 60,905.43 and 16,907.47 is: 25,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,598.15 : 60,905.43 = 16,907.47 : x
  2. Step 2: Convert to fraction form
    40,598.15/60,905.43 = 16,907.47/x
  3. Step 3: Cross multiply
    40,598.15x = 60,905.43 × 16,907.47
  4. Step 4: Simplify right side
    40,598.15x = 1,029,756,873.34
  5. Step 5: Solve for x
    x = 1,029,756,873.34/40,598.15
  6. Step 6: Final answer
    x = 25,364.63

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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.