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Finding the Fourth Proportional to 74,057.84, 102,093.50 and 52,800.20

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Solution

The fourth proportional to 74,057.84, 102,093.50 and 52,800.20 is: 72,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,057.84 : 102,093.50 = 52,800.20 : x
  2. Step 2: Convert to fraction form
    74,057.84/102,093.50 = 52,800.20/x
  3. Step 3: Cross multiply
    74,057.84x = 102,093.50 × 52,800.20
  4. Step 4: Simplify right side
    74,057.84x = 5,390,557,218.70
  5. Step 5: Solve for x
    x = 5,390,557,218.70/74,057.84
  6. Step 6: Final answer
    x = 72,788.47

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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.