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Finding the Fourth Proportional to 74,770.58, 112,110.68 and 29,798.87

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Solution

The fourth proportional to 74,770.58, 112,110.68 and 29,798.87 is: 44,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,770.58 : 112,110.68 = 29,798.87 : x
  2. Step 2: Convert to fraction form
    74,770.58/112,110.68 = 29,798.87/x
  3. Step 3: Cross multiply
    74,770.58x = 112,110.68 × 29,798.87
  4. Step 4: Simplify right side
    74,770.58x = 3,340,771,092.88
  5. Step 5: Solve for x
    x = 3,340,771,092.88/74,770.58
  6. Step 6: Final answer
    x = 44,680.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.