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Finding the Fourth Proportional to 17,907.60, 26,866.76 and 7,228.45

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Solution

The fourth proportional to 17,907.60, 26,866.76 and 7,228.45 is: 10,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.60 : 26,866.76 = 7,228.45 : x
  2. Step 2: Convert to fraction form
    17,907.60/26,866.76 = 7,228.45/x
  3. Step 3: Cross multiply
    17,907.60x = 26,866.76 × 7,228.45
  4. Step 4: Simplify right side
    17,907.60x = 194,205,123.04
  5. Step 5: Solve for x
    x = 194,205,123.04/17,907.60
  6. Step 6: Final answer
    x = 10,844.85

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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.