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Finding the Fourth Proportional to 75,671.82, 104,417.98 and 43,404.77

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Solution

The fourth proportional to 75,671.82, 104,417.98 and 43,404.77 is: 59,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671.82 : 104,417.98 = 43,404.77 : x
  2. Step 2: Convert to fraction form
    75,671.82/104,417.98 = 43,404.77/x
  3. Step 3: Cross multiply
    75,671.82x = 104,417.98 × 43,404.77
  4. Step 4: Simplify right side
    75,671.82x = 4,532,238,558.30
  5. Step 5: Solve for x
    x = 4,532,238,558.30/75,671.82
  6. Step 6: Final answer
    x = 59,893.35

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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.