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Finding the Fourth Proportional to 62,164.60, 85,784.83 and 38,006.03

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Solution

The fourth proportional to 62,164.60, 85,784.83 and 38,006.03 is: 52,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,164.60 : 85,784.83 = 38,006.03 : x
  2. Step 2: Convert to fraction form
    62,164.60/85,784.83 = 38,006.03/x
  3. Step 3: Cross multiply
    62,164.60x = 85,784.83 × 38,006.03
  4. Step 4: Simplify right side
    62,164.60x = 3,260,340,941.97
  5. Step 5: Solve for x
    x = 3,260,340,941.97/62,164.60
  6. Step 6: Final answer
    x = 52,446.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.