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Finding the Fourth Proportional to 70,635.60, 105,887.52 and 23,855.76

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Solution

The fourth proportional to 70,635.60, 105,887.52 and 23,855.76 is: 35,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,635.60 : 105,887.52 = 23,855.76 : x
  2. Step 2: Convert to fraction form
    70,635.60/105,887.52 = 23,855.76/x
  3. Step 3: Cross multiply
    70,635.60x = 105,887.52 × 23,855.76
  4. Step 4: Simplify right side
    70,635.60x = 2,526,027,264.12
  5. Step 5: Solve for x
    x = 2,526,027,264.12/70,635.60
  6. Step 6: Final answer
    x = 35,761.39

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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.