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Finding the Fourth Proportional to 47,033.28, 70,619.04 and 46,342.08

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Solution

The fourth proportional to 47,033.28, 70,619.04 and 46,342.08 is: 69,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,033.28 : 70,619.04 = 46,342.08 : x
  2. Step 2: Convert to fraction form
    47,033.28/70,619.04 = 46,342.08/x
  3. Step 3: Cross multiply
    47,033.28x = 70,619.04 × 46,342.08
  4. Step 4: Simplify right side
    47,033.28x = 3,272,633,201.20
  5. Step 5: Solve for x
    x = 3,272,633,201.20/47,033.28
  6. Step 6: Final answer
    x = 69,581.22

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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.