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Finding the Fourth Proportional to 12,701.25, 17,528.94 and 7,323.84

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Solution

The fourth proportional to 12,701.25, 17,528.94 and 7,323.84 is: 10,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.25 : 17,528.94 = 7,323.84 : x
  2. Step 2: Convert to fraction form
    12,701.25/17,528.94 = 7,323.84/x
  3. Step 3: Cross multiply
    12,701.25x = 17,528.94 × 7,323.84
  4. Step 4: Simplify right side
    12,701.25x = 128,379,151.93
  5. Step 5: Solve for x
    x = 128,379,151.93/12,701.25
  6. Step 6: Final answer
    x = 10,107.60

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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.