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Finding the Fourth Proportional to 73,617.92, 110,393.60 and 21,014.88

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Solution

The fourth proportional to 73,617.92, 110,393.60 and 21,014.88 is: 31,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,617.92 : 110,393.60 = 21,014.88 : x
  2. Step 2: Convert to fraction form
    73,617.92/110,393.60 = 21,014.88/x
  3. Step 3: Cross multiply
    73,617.92x = 110,393.60 × 21,014.88
  4. Step 4: Simplify right side
    73,617.92x = 2,319,908,256.77
  5. Step 5: Solve for x
    x = 2,319,908,256.77/73,617.92
  6. Step 6: Final answer
    x = 31,512.82

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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.