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Finding the Fourth Proportional to 18,880.68, 26,056.08 and 10,497

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Solution

The fourth proportional to 18,880.68, 26,056.08 and 10,497 is: 14,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.68 : 26,056.08 = 10,497 : x
  2. Step 2: Convert to fraction form
    18,880.68/26,056.08 = 10,497/x
  3. Step 3: Cross multiply
    18,880.68x = 26,056.08 × 10,497
  4. Step 4: Simplify right side
    18,880.68x = 273,510,671.76
  5. Step 5: Solve for x
    x = 273,510,671.76/18,880.68
  6. Step 6: Final answer
    x = 14,486.27

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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.