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Finding the Fourth Proportional to 9,756.10, 14,625.51 and 3,908.71

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Solution

The fourth proportional to 9,756.10, 14,625.51 and 3,908.71 is: 5,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.10 : 14,625.51 = 3,908.71 : x
  2. Step 2: Convert to fraction form
    9,756.10/14,625.51 = 3,908.71/x
  3. Step 3: Cross multiply
    9,756.10x = 14,625.51 × 3,908.71
  4. Step 4: Simplify right side
    9,756.10x = 57,166,877.19
  5. Step 5: Solve for x
    x = 57,166,877.19/9,756.10
  6. Step 6: Final answer
    x = 5,859.60

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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.