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Finding the Fourth Proportional to 60,076.40, 82,905 and 33,218.96

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Solution

The fourth proportional to 60,076.40, 82,905 and 33,218.96 is: 45,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,076.40 : 82,905 = 33,218.96 : x
  2. Step 2: Convert to fraction form
    60,076.40/82,905 = 33,218.96/x
  3. Step 3: Cross multiply
    60,076.40x = 82,905 × 33,218.96
  4. Step 4: Simplify right side
    60,076.40x = 2,754,017,878.80
  5. Step 5: Solve for x
    x = 2,754,017,878.80/60,076.40
  6. Step 6: Final answer
    x = 45,841.93

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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.