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Finding the Fourth Proportional to 63,807.90, 88,056.91 and 34,738.23

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Solution

The fourth proportional to 63,807.90, 88,056.91 and 34,738.23 is: 47,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,807.90 : 88,056.91 = 34,738.23 : x
  2. Step 2: Convert to fraction form
    63,807.90/88,056.91 = 34,738.23/x
  3. Step 3: Cross multiply
    63,807.90x = 88,056.91 × 34,738.23
  4. Step 4: Simplify right side
    63,807.90x = 3,058,941,175.36
  5. Step 5: Solve for x
    x = 3,058,941,175.36/63,807.90
  6. Step 6: Final answer
    x = 47,939.85

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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.