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Finding the Fourth Proportional to 84,651.55, 127,003.65 and 34,735.71

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Solution

The fourth proportional to 84,651.55, 127,003.65 and 34,735.71 is: 52,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,651.55 : 127,003.65 = 34,735.71 : x
  2. Step 2: Convert to fraction form
    84,651.55/127,003.65 = 34,735.71/x
  3. Step 3: Cross multiply
    84,651.55x = 127,003.65 × 34,735.71
  4. Step 4: Simplify right side
    84,651.55x = 4,411,561,955.34
  5. Step 5: Solve for x
    x = 4,411,561,955.34/84,651.55
  6. Step 6: Final answer
    x = 52,114.37

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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.