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Finding the Fourth Proportional to 14,062.95, 19,406.07 and 7,774.92

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Solution

The fourth proportional to 14,062.95, 19,406.07 and 7,774.92 is: 10,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.95 : 19,406.07 = 7,774.92 : x
  2. Step 2: Convert to fraction form
    14,062.95/19,406.07 = 7,774.92/x
  3. Step 3: Cross multiply
    14,062.95x = 19,406.07 × 7,774.92
  4. Step 4: Simplify right side
    14,062.95x = 150,880,641.76
  5. Step 5: Solve for x
    x = 150,880,641.76/14,062.95
  6. Step 6: Final answer
    x = 10,728.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.