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Finding the Fourth Proportional to 7,358.04, 11,041.92 and 3,200.31

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Solution

The fourth proportional to 7,358.04, 11,041.92 and 3,200.31 is: 4,802.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.04 : 11,041.92 = 3,200.31 : x
  2. Step 2: Convert to fraction form
    7,358.04/11,041.92 = 3,200.31/x
  3. Step 3: Cross multiply
    7,358.04x = 11,041.92 × 3,200.31
  4. Step 4: Simplify right side
    7,358.04x = 35,337,567.00
  5. Step 5: Solve for x
    x = 35,337,567.00/7,358.04
  6. Step 6: Final answer
    x = 4,802.58

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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.