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Finding the Fourth Proportional to 63,430.88, 87,533.44 and 36,574.52

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Solution

The fourth proportional to 63,430.88, 87,533.44 and 36,574.52 is: 50,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.88 : 87,533.44 = 36,574.52 : x
  2. Step 2: Convert to fraction form
    63,430.88/87,533.44 = 36,574.52/x
  3. Step 3: Cross multiply
    63,430.88x = 87,533.44 × 36,574.52
  4. Step 4: Simplify right side
    63,430.88x = 3,201,493,114.28
  5. Step 5: Solve for x
    x = 3,201,493,114.28/63,430.88
  6. Step 6: Final answer
    x = 50,472.16

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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.