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Finding the Fourth Proportional to 67,955.40, 93,760.02 and 38,146.76

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Solution

The fourth proportional to 67,955.40, 93,760.02 and 38,146.76 is: 52,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,955.40 : 93,760.02 = 38,146.76 : x
  2. Step 2: Convert to fraction form
    67,955.40/93,760.02 = 38,146.76/x
  3. Step 3: Cross multiply
    67,955.40x = 93,760.02 × 38,146.76
  4. Step 4: Simplify right side
    67,955.40x = 3,576,640,980.54
  5. Step 5: Solve for x
    x = 3,576,640,980.54/67,955.40
  6. Step 6: Final answer
    x = 52,632.18

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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.