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Finding the Fourth Proportional to 62,325.63, 85,965.71 and 42,173.64

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Solution

The fourth proportional to 62,325.63, 85,965.71 and 42,173.64 is: 58,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,325.63 : 85,965.71 = 42,173.64 : x
  2. Step 2: Convert to fraction form
    62,325.63/85,965.71 = 42,173.64/x
  3. Step 3: Cross multiply
    62,325.63x = 85,965.71 × 42,173.64
  4. Step 4: Simplify right side
    62,325.63x = 3,625,486,905.88
  5. Step 5: Solve for x
    x = 3,625,486,905.88/62,325.63
  6. Step 6: Final answer
    x = 58,170.08

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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.