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Finding the Fourth Proportional to 8,935.41, 13,389.45 and 4,776.01

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Solution

The fourth proportional to 8,935.41, 13,389.45 and 4,776.01 is: 7,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.41 : 13,389.45 = 4,776.01 : x
  2. Step 2: Convert to fraction form
    8,935.41/13,389.45 = 4,776.01/x
  3. Step 3: Cross multiply
    8,935.41x = 13,389.45 × 4,776.01
  4. Step 4: Simplify right side
    8,935.41x = 63,948,197.89
  5. Step 5: Solve for x
    x = 63,948,197.89/8,935.41
  6. Step 6: Final answer
    x = 7,156.71

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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.