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Finding the Fourth Proportional to 48,415.59, 66,811.64 and 27,193.59

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Solution

The fourth proportional to 48,415.59, 66,811.64 and 27,193.59 is: 37,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.59 : 66,811.64 = 27,193.59 : x
  2. Step 2: Convert to fraction form
    48,415.59/66,811.64 = 27,193.59/x
  3. Step 3: Cross multiply
    48,415.59x = 66,811.64 × 27,193.59
  4. Step 4: Simplify right side
    48,415.59x = 1,816,848,209.42
  5. Step 5: Solve for x
    x = 1,816,848,209.42/48,415.59
  6. Step 6: Final answer
    x = 37,526.10

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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.