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Finding the Fourth Proportional to 70,663.85, 105,929.90 and 23,884.01

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Solution

The fourth proportional to 70,663.85, 105,929.90 and 23,884.01 is: 35,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,663.85 : 105,929.90 = 23,884.01 : x
  2. Step 2: Convert to fraction form
    70,663.85/105,929.90 = 23,884.01/x
  3. Step 3: Cross multiply
    70,663.85x = 105,929.90 × 23,884.01
  4. Step 4: Simplify right side
    70,663.85x = 2,530,030,671.48
  5. Step 5: Solve for x
    x = 2,530,030,671.48/70,663.85
  6. Step 6: Final answer
    x = 35,803.75

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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.