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Finding the Fourth Proportional to 58,925.66, 81,222.99 and 39,799.44

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Solution

The fourth proportional to 58,925.66, 81,222.99 and 39,799.44 is: 54,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,925.66 : 81,222.99 = 39,799.44 : x
  2. Step 2: Convert to fraction form
    58,925.66/81,222.99 = 39,799.44/x
  3. Step 3: Cross multiply
    58,925.66x = 81,222.99 × 39,799.44
  4. Step 4: Simplify right side
    58,925.66x = 3,232,629,517.13
  5. Step 5: Solve for x
    x = 3,232,629,517.13/58,925.66
  6. Step 6: Final answer
    x = 54,859.46

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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.