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Finding the Fourth Proportional to 70,508.77, 105,770.45 and 23,765.29

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Solution

The fourth proportional to 70,508.77, 105,770.45 and 23,765.29 is: 35,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,508.77 : 105,770.45 = 23,765.29 : x
  2. Step 2: Convert to fraction form
    70,508.77/105,770.45 = 23,765.29/x
  3. Step 3: Cross multiply
    70,508.77x = 105,770.45 × 23,765.29
  4. Step 4: Simplify right side
    70,508.77x = 2,513,665,417.68
  5. Step 5: Solve for x
    x = 2,513,665,417.68/70,508.77
  6. Step 6: Final answer
    x = 35,650.39

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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.