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Finding the Fourth Proportional to 40,762.87, 56,228.87 and 25,631.55

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Solution

The fourth proportional to 40,762.87, 56,228.87 and 25,631.55 is: 35,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762.87 : 56,228.87 = 25,631.55 : x
  2. Step 2: Convert to fraction form
    40,762.87/56,228.87 = 25,631.55/x
  3. Step 3: Cross multiply
    40,762.87x = 56,228.87 × 25,631.55
  4. Step 4: Simplify right side
    40,762.87x = 1,441,233,092.85
  5. Step 5: Solve for x
    x = 1,441,233,092.85/40,762.87
  6. Step 6: Final answer
    x = 35,356.52

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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.