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Finding the Fourth Proportional to 22,419.88, 33,746.71 and 19,037.32

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Solution

The fourth proportional to 22,419.88, 33,746.71 and 19,037.32 is: 28,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.88 : 33,746.71 = 19,037.32 : x
  2. Step 2: Convert to fraction form
    22,419.88/33,746.71 = 19,037.32/x
  3. Step 3: Cross multiply
    22,419.88x = 33,746.71 × 19,037.32
  4. Step 4: Simplify right side
    22,419.88x = 642,446,917.22
  5. Step 5: Solve for x
    x = 642,446,917.22/22,419.88
  6. Step 6: Final answer
    x = 28,655.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.