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Finding the Fourth Proportional to 85,056.66, 127,575.84 and 25,892.82

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Solution

The fourth proportional to 85,056.66, 127,575.84 and 25,892.82 is: 38,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,056.66 : 127,575.84 = 25,892.82 : x
  2. Step 2: Convert to fraction form
    85,056.66/127,575.84 = 25,892.82/x
  3. Step 3: Cross multiply
    85,056.66x = 127,575.84 × 25,892.82
  4. Step 4: Simplify right side
    85,056.66x = 3,303,298,261.47
  5. Step 5: Solve for x
    x = 3,303,298,261.47/85,056.66
  6. Step 6: Final answer
    x = 38,836.44

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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.