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Finding the Fourth Proportional to 74,720.64, 112,080.74 and 22,134.22

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Solution

The fourth proportional to 74,720.64, 112,080.74 and 22,134.22 is: 33,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,720.64 : 112,080.74 = 22,134.22 : x
  2. Step 2: Convert to fraction form
    74,720.64/112,080.74 = 22,134.22/x
  3. Step 3: Cross multiply
    74,720.64x = 112,080.74 × 22,134.22
  4. Step 4: Simplify right side
    74,720.64x = 2,480,819,756.92
  5. Step 5: Solve for x
    x = 2,480,819,756.92/74,720.64
  6. Step 6: Final answer
    x = 33,201.26

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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.