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Finding the Fourth Proportional to 64,023, 96,003.80 and 30,260.92

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Solution

The fourth proportional to 64,023, 96,003.80 and 30,260.92 is: 45,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,023 : 96,003.80 = 30,260.92 : x
  2. Step 2: Convert to fraction form
    64,023/96,003.80 = 30,260.92/x
  3. Step 3: Cross multiply
    64,023x = 96,003.80 × 30,260.92
  4. Step 4: Simplify right side
    64,023x = 2,905,163,311.50
  5. Step 5: Solve for x
    x = 2,905,163,311.50/64,023
  6. Step 6: Final answer
    x = 45,376.87

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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.