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Finding the Fourth Proportional to 10,954.70, 16,436.10 and 10,549.70

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Solution

The fourth proportional to 10,954.70, 16,436.10 and 10,549.70 is: 15,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.70 : 16,436.10 = 10,549.70 : x
  2. Step 2: Convert to fraction form
    10,954.70/16,436.10 = 10,549.70/x
  3. Step 3: Cross multiply
    10,954.70x = 16,436.10 × 10,549.70
  4. Step 4: Simplify right side
    10,954.70x = 173,395,924.17
  5. Step 5: Solve for x
    x = 173,395,924.17/10,954.70
  6. Step 6: Final answer
    x = 15,828.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.