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Finding the Fourth Proportional to 35,334.64, 48,762.84 and 19,419.22

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Solution

The fourth proportional to 35,334.64, 48,762.84 and 19,419.22 is: 26,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,334.64 : 48,762.84 = 19,419.22 : x
  2. Step 2: Convert to fraction form
    35,334.64/48,762.84 = 19,419.22/x
  3. Step 3: Cross multiply
    35,334.64x = 48,762.84 × 19,419.22
  4. Step 4: Simplify right side
    35,334.64x = 946,936,317.78
  5. Step 5: Solve for x
    x = 946,936,317.78/35,334.64
  6. Step 6: Final answer
    x = 26,799.09

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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.