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Finding the Fourth Proportional to 17,298.84, 25,947.04 and 9,880.05

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Solution

The fourth proportional to 17,298.84, 25,947.04 and 9,880.05 is: 14,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,298.84 : 25,947.04 = 9,880.05 : x
  2. Step 2: Convert to fraction form
    17,298.84/25,947.04 = 9,880.05/x
  3. Step 3: Cross multiply
    17,298.84x = 25,947.04 × 9,880.05
  4. Step 4: Simplify right side
    17,298.84x = 256,358,052.55
  5. Step 5: Solve for x
    x = 256,358,052.55/17,298.84
  6. Step 6: Final answer
    x = 14,819.38

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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.