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Finding the Fourth Proportional to 16,804.76, 25,210.89 and 5,118.89

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Solution

The fourth proportional to 16,804.76, 25,210.89 and 5,118.89 is: 7,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,804.76 : 25,210.89 = 5,118.89 : x
  2. Step 2: Convert to fraction form
    16,804.76/25,210.89 = 5,118.89/x
  3. Step 3: Cross multiply
    16,804.76x = 25,210.89 × 5,118.89
  4. Step 4: Simplify right side
    16,804.76x = 129,051,646.66
  5. Step 5: Solve for x
    x = 129,051,646.66/16,804.76
  6. Step 6: Final answer
    x = 7,679.47

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1.5x scale

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.