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Finding the Fourth Proportional to 16,671.25, 25,010.94 and 4,984.47

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Solution

The fourth proportional to 16,671.25, 25,010.94 and 4,984.47 is: 7,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.25 : 25,010.94 = 4,984.47 : x
  2. Step 2: Convert to fraction form
    16,671.25/25,010.94 = 4,984.47/x
  3. Step 3: Cross multiply
    16,671.25x = 25,010.94 × 4,984.47
  4. Step 4: Simplify right side
    16,671.25x = 124,666,298.79
  5. Step 5: Solve for x
    x = 124,666,298.79/16,671.25
  6. Step 6: Final answer
    x = 7,477.92

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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.