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Finding the Fourth Proportional to 23,907.49, 32,993.40 and 13,836.40

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Solution

The fourth proportional to 23,907.49, 32,993.40 and 13,836.40 is: 19,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,907.49 : 32,993.40 = 13,836.40 : x
  2. Step 2: Convert to fraction form
    23,907.49/32,993.40 = 13,836.40/x
  3. Step 3: Cross multiply
    23,907.49x = 32,993.40 × 13,836.40
  4. Step 4: Simplify right side
    23,907.49x = 456,509,879.76
  5. Step 5: Solve for x
    x = 456,509,879.76/23,907.49
  6. Step 6: Final answer
    x = 19,094.85

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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.