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Finding the Fourth Proportional to 74,955.70, 112,419.15 and 22,366.90

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Solution

The fourth proportional to 74,955.70, 112,419.15 and 22,366.90 is: 33,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,955.70 : 112,419.15 = 22,366.90 : x
  2. Step 2: Convert to fraction form
    74,955.70/112,419.15 = 22,366.90/x
  3. Step 3: Cross multiply
    74,955.70x = 112,419.15 × 22,366.90
  4. Step 4: Simplify right side
    74,955.70x = 2,514,467,886.14
  5. Step 5: Solve for x
    x = 2,514,467,886.14/74,955.70
  6. Step 6: Final answer
    x = 33,546.05

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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.