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Finding the Fourth Proportional to 7,150.04, 9,866.96 and 4,006.28

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Solution

The fourth proportional to 7,150.04, 9,866.96 and 4,006.28 is: 5,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.04 : 9,866.96 = 4,006.28 : x
  2. Step 2: Convert to fraction form
    7,150.04/9,866.96 = 4,006.28/x
  3. Step 3: Cross multiply
    7,150.04x = 9,866.96 × 4,006.28
  4. Step 4: Simplify right side
    7,150.04x = 39,529,804.51
  5. Step 5: Solve for x
    x = 39,529,804.51/7,150.04
  6. Step 6: Final answer
    x = 5,528.61

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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.