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Finding the Fourth Proportional to 63,051.36, 87,009.84 and 34,759.68

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Solution

The fourth proportional to 63,051.36, 87,009.84 and 34,759.68 is: 47,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,051.36 : 87,009.84 = 34,759.68 : x
  2. Step 2: Convert to fraction form
    63,051.36/87,009.84 = 34,759.68/x
  3. Step 3: Cross multiply
    63,051.36x = 87,009.84 × 34,759.68
  4. Step 4: Simplify right side
    63,051.36x = 3,024,434,195.25
  5. Step 5: Solve for x
    x = 3,024,434,195.25/63,051.36
  6. Step 6: Final answer
    x = 47,967.79

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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.