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Finding the Fourth Proportional to 62,464.64, 86,232.48 and 42,427.52

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Solution

The fourth proportional to 62,464.64, 86,232.48 and 42,427.52 is: 58,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,464.64 : 86,232.48 = 42,427.52 : x
  2. Step 2: Convert to fraction form
    62,464.64/86,232.48 = 42,427.52/x
  3. Step 3: Cross multiply
    62,464.64x = 86,232.48 × 42,427.52
  4. Step 4: Simplify right side
    62,464.64x = 3,658,630,269.85
  5. Step 5: Solve for x
    x = 3,658,630,269.85/62,464.64
  6. Step 6: Final answer
    x = 58,571.22

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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.