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Finding the Fourth Proportional to 87,296.95, 130,946.28 and 47,832.54

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Solution

The fourth proportional to 87,296.95, 130,946.28 and 47,832.54 is: 71,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,296.95 : 130,946.28 = 47,832.54 : x
  2. Step 2: Convert to fraction form
    87,296.95/130,946.28 = 47,832.54/x
  3. Step 3: Cross multiply
    87,296.95x = 130,946.28 × 47,832.54
  4. Step 4: Simplify right side
    87,296.95x = 6,263,493,026.00
  5. Step 5: Solve for x
    x = 6,263,493,026.00/87,296.95
  6. Step 6: Final answer
    x = 71,749.27

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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.