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Finding the Fourth Proportional to 76,530.70, 114,796.08 and 23,940.40

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Solution

The fourth proportional to 76,530.70, 114,796.08 and 23,940.40 is: 35,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,530.70 : 114,796.08 = 23,940.40 : x
  2. Step 2: Convert to fraction form
    76,530.70/114,796.08 = 23,940.40/x
  3. Step 3: Cross multiply
    76,530.70x = 114,796.08 × 23,940.40
  4. Step 4: Simplify right side
    76,530.70x = 2,748,264,073.63
  5. Step 5: Solve for x
    x = 2,748,264,073.63/76,530.70
  6. Step 6: Final answer
    x = 35,910.61

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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.