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Finding the Fourth Proportional to 19,409.59, 26,787.46 and 10,796.64

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Solution

The fourth proportional to 19,409.59, 26,787.46 and 10,796.64 is: 14,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.59 : 26,787.46 = 10,796.64 : x
  2. Step 2: Convert to fraction form
    19,409.59/26,787.46 = 10,796.64/x
  3. Step 3: Cross multiply
    19,409.59x = 26,787.46 × 10,796.64
  4. Step 4: Simplify right side
    19,409.59x = 289,214,605.61
  5. Step 5: Solve for x
    x = 289,214,605.61/19,409.59
  6. Step 6: Final answer
    x = 14,900.60

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1.5x scale

Why These Related Problems?

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