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Finding the Fourth Proportional to 15,564.54, 21,482.94 and 9,601.10

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Solution

The fourth proportional to 15,564.54, 21,482.94 and 9,601.10 is: 13,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,564.54 : 21,482.94 = 9,601.10 : x
  2. Step 2: Convert to fraction form
    15,564.54/21,482.94 = 9,601.10/x
  3. Step 3: Cross multiply
    15,564.54x = 21,482.94 × 9,601.10
  4. Step 4: Simplify right side
    15,564.54x = 206,259,855.23
  5. Step 5: Solve for x
    x = 206,259,855.23/15,564.54
  6. Step 6: Final answer
    x = 13,251.91

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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.