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Finding the Fourth Proportional to 58,171.79, 80,274.95 and 35,548.64

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Solution

The fourth proportional to 58,171.79, 80,274.95 and 35,548.64 is: 49,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,171.79 : 80,274.95 = 35,548.64 : x
  2. Step 2: Convert to fraction form
    58,171.79/80,274.95 = 35,548.64/x
  3. Step 3: Cross multiply
    58,171.79x = 80,274.95 × 35,548.64
  4. Step 4: Simplify right side
    58,171.79x = 2,853,664,719.45
  5. Step 5: Solve for x
    x = 2,853,664,719.45/58,171.79
  6. Step 6: Final answer
    x = 49,055.82

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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.