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Finding the Fourth Proportional to 76,483.01, 114,712.64 and 39,070.73

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Solution

The fourth proportional to 76,483.01, 114,712.64 and 39,070.73 is: 58,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,483.01 : 114,712.64 = 39,070.73 : x
  2. Step 2: Convert to fraction form
    76,483.01/114,712.64 = 39,070.73/x
  3. Step 3: Cross multiply
    76,483.01x = 114,712.64 × 39,070.73
  4. Step 4: Simplify right side
    76,483.01x = 4,481,906,585.03
  5. Step 5: Solve for x
    x = 4,481,906,585.03/76,483.01
  6. Step 6: Final answer
    x = 58,600.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.