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Finding the Fourth Proportional to 9,913.37, 14,870.87 and 4,070.03

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Solution

The fourth proportional to 9,913.37, 14,870.87 and 4,070.03 is: 6,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.37 : 14,870.87 = 4,070.03 : x
  2. Step 2: Convert to fraction form
    9,913.37/14,870.87 = 4,070.03/x
  3. Step 3: Cross multiply
    9,913.37x = 14,870.87 × 4,070.03
  4. Step 4: Simplify right side
    9,913.37x = 60,524,866.68
  5. Step 5: Solve for x
    x = 60,524,866.68/9,913.37
  6. Step 6: Final answer
    x = 6,105.38

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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.