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Finding the Fourth Proportional to 10,616.70, 14,651.16 and 5,837.16

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Solution

The fourth proportional to 10,616.70, 14,651.16 and 5,837.16 is: 8,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.70 : 14,651.16 = 5,837.16 : x
  2. Step 2: Convert to fraction form
    10,616.70/14,651.16 = 5,837.16/x
  3. Step 3: Cross multiply
    10,616.70x = 14,651.16 × 5,837.16
  4. Step 4: Simplify right side
    10,616.70x = 85,521,165.11
  5. Step 5: Solve for x
    x = 85,521,165.11/10,616.70
  6. Step 6: Final answer
    x = 8,055.34

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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.