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Finding the Fourth Proportional to 9,925.39, 14,891.95 and 4,374.82

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Solution

The fourth proportional to 9,925.39, 14,891.95 and 4,374.82 is: 6,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.39 : 14,891.95 = 4,374.82 : x
  2. Step 2: Convert to fraction form
    9,925.39/14,891.95 = 4,374.82/x
  3. Step 3: Cross multiply
    9,925.39x = 14,891.95 × 4,374.82
  4. Step 4: Simplify right side
    9,925.39x = 65,149,582.90
  5. Step 5: Solve for x
    x = 65,149,582.90/9,925.39
  6. Step 6: Final answer
    x = 6,563.93

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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.