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Finding the Fourth Proportional to 75,284.40, 112,843.98 and 37,770.06

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Solution

The fourth proportional to 75,284.40, 112,843.98 and 37,770.06 is: 56,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.40 : 112,843.98 = 37,770.06 : x
  2. Step 2: Convert to fraction form
    75,284.40/112,843.98 = 37,770.06/x
  3. Step 3: Cross multiply
    75,284.40x = 112,843.98 × 37,770.06
  4. Step 4: Simplify right side
    75,284.40x = 4,262,123,895.24
  5. Step 5: Solve for x
    x = 4,262,123,895.24/75,284.40
  6. Step 6: Final answer
    x = 56,613.64

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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.