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Finding the Fourth Proportional to 10,554.71, 15,902.53 and 9,555.37

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Solution

The fourth proportional to 10,554.71, 15,902.53 and 9,555.37 is: 14,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.71 : 15,902.53 = 9,555.37 : x
  2. Step 2: Convert to fraction form
    10,554.71/15,902.53 = 9,555.37/x
  3. Step 3: Cross multiply
    10,554.71x = 15,902.53 × 9,555.37
  4. Step 4: Simplify right side
    10,554.71x = 151,954,494.44
  5. Step 5: Solve for x
    x = 151,954,494.44/10,554.71
  6. Step 6: Final answer
    x = 14,396.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.