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Finding the Fourth Proportional to 63,551.52, 87,698.16 and 34,870.47

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Solution

The fourth proportional to 63,551.52, 87,698.16 and 34,870.47 is: 48,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,551.52 : 87,698.16 = 34,870.47 : x
  2. Step 2: Convert to fraction form
    63,551.52/87,698.16 = 34,870.47/x
  3. Step 3: Cross multiply
    63,551.52x = 87,698.16 × 34,870.47
  4. Step 4: Simplify right side
    63,551.52x = 3,058,076,057.34
  5. Step 5: Solve for x
    x = 3,058,076,057.34/63,551.52
  6. Step 6: Final answer
    x = 48,119.64

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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.