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Finding the Fourth Proportional to 35,253.84, 48,645.72 and 21,103.68

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Solution

The fourth proportional to 35,253.84, 48,645.72 and 21,103.68 is: 29,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,253.84 : 48,645.72 = 21,103.68 : x
  2. Step 2: Convert to fraction form
    35,253.84/48,645.72 = 21,103.68/x
  3. Step 3: Cross multiply
    35,253.84x = 48,645.72 × 21,103.68
  4. Step 4: Simplify right side
    35,253.84x = 1,026,603,708.25
  5. Step 5: Solve for x
    x = 1,026,603,708.25/35,253.84
  6. Step 6: Final answer
    x = 29,120.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.