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Finding the Fourth Proportional to 61,812.28, 85,300.14 and 33,517.81

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Solution

The fourth proportional to 61,812.28, 85,300.14 and 33,517.81 is: 46,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.28 : 85,300.14 = 33,517.81 : x
  2. Step 2: Convert to fraction form
    61,812.28/85,300.14 = 33,517.81/x
  3. Step 3: Cross multiply
    61,812.28x = 85,300.14 × 33,517.81
  4. Step 4: Simplify right side
    61,812.28x = 2,859,073,885.49
  5. Step 5: Solve for x
    x = 2,859,073,885.49/61,812.28
  6. Step 6: Final answer
    x = 46,254.14

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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.