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Finding the Fourth Proportional to 75,735.51, 104,515.50 and 43,461.52

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Solution

The fourth proportional to 75,735.51, 104,515.50 and 43,461.52 is: 59,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,735.51 : 104,515.50 = 43,461.52 : x
  2. Step 2: Convert to fraction form
    75,735.51/104,515.50 = 43,461.52/x
  3. Step 3: Cross multiply
    75,735.51x = 104,515.50 × 43,461.52
  4. Step 4: Simplify right side
    75,735.51x = 4,542,402,493.56
  5. Step 5: Solve for x
    x = 4,542,402,493.56/75,735.51
  6. Step 6: Final answer
    x = 59,977.18

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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.