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Finding the Fourth Proportional to 82,031.63, 123,047.46 and 26,627.63

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Solution

The fourth proportional to 82,031.63, 123,047.46 and 26,627.63 is: 39,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,031.63 : 123,047.46 = 26,627.63 : x
  2. Step 2: Convert to fraction form
    82,031.63/123,047.46 = 26,627.63/x
  3. Step 3: Cross multiply
    82,031.63x = 123,047.46 × 26,627.63
  4. Step 4: Simplify right side
    82,031.63x = 3,276,461,622.08
  5. Step 5: Solve for x
    x = 3,276,461,622.08/82,031.63
  6. Step 6: Final answer
    x = 39,941.44

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Similar ratio
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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.