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Finding the Fourth Proportional to 17,730.60, 26,595.88 and 7,200.84

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Solution

The fourth proportional to 17,730.60, 26,595.88 and 7,200.84 is: 10,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.60 : 26,595.88 = 7,200.84 : x
  2. Step 2: Convert to fraction form
    17,730.60/26,595.88 = 7,200.84/x
  3. Step 3: Cross multiply
    17,730.60x = 26,595.88 × 7,200.84
  4. Step 4: Simplify right side
    17,730.60x = 191,512,676.54
  5. Step 5: Solve for x
    x = 191,512,676.54/17,730.60
  6. Step 6: Final answer
    x = 10,801.25

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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.