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Finding the Fourth Proportional to 72,797.92, 100,461.07 and 40,966.84

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Solution

The fourth proportional to 72,797.92, 100,461.07 and 40,966.84 is: 56,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,797.92 : 100,461.07 = 40,966.84 : x
  2. Step 2: Convert to fraction form
    72,797.92/100,461.07 = 40,966.84/x
  3. Step 3: Cross multiply
    72,797.92x = 100,461.07 × 40,966.84
  4. Step 4: Simplify right side
    72,797.92x = 4,115,572,580.92
  5. Step 5: Solve for x
    x = 4,115,572,580.92/72,797.92
  6. Step 6: Final answer
    x = 56,534.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.