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Finding the Fourth Proportional to 63,580.51, 87,739.33 and 34,900.15

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Solution

The fourth proportional to 63,580.51, 87,739.33 and 34,900.15 is: 48,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,580.51 : 87,739.33 = 34,900.15 : x
  2. Step 2: Convert to fraction form
    63,580.51/87,739.33 = 34,900.15/x
  3. Step 3: Cross multiply
    63,580.51x = 87,739.33 × 34,900.15
  4. Step 4: Simplify right side
    63,580.51x = 3,062,115,777.90
  5. Step 5: Solve for x
    x = 3,062,115,777.90/63,580.51
  6. Step 6: Final answer
    x = 48,161.23

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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.