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Finding the Fourth Proportional to 15,584.00, 21,503.07 and 8,869.23

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Solution

The fourth proportional to 15,584.00, 21,503.07 and 8,869.23 is: 12,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.00 : 21,503.07 = 8,869.23 : x
  2. Step 2: Convert to fraction form
    15,584.00/21,503.07 = 8,869.23/x
  3. Step 3: Cross multiply
    15,584.00x = 21,503.07 × 8,869.23
  4. Step 4: Simplify right side
    15,584.00x = 190,715,673.54
  5. Step 5: Solve for x
    x = 190,715,673.54/15,584.00
  6. Step 6: Final answer
    x = 12,237.92

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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.