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Finding the Fourth Proportional to 8,889.99, 13,338.23 and 4,730.37

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Solution

The fourth proportional to 8,889.99, 13,338.23 and 4,730.37 is: 7,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.99 : 13,338.23 = 4,730.37 : x
  2. Step 2: Convert to fraction form
    8,889.99/13,338.23 = 4,730.37/x
  3. Step 3: Cross multiply
    8,889.99x = 13,338.23 × 4,730.37
  4. Step 4: Simplify right side
    8,889.99x = 63,094,739.39
  5. Step 5: Solve for x
    x = 63,094,739.39/8,889.99
  6. Step 6: Final answer
    x = 7,097.28

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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.