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Finding the Fourth Proportional to 63,246.77, 87,280.63 and 36,388.74

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Solution

The fourth proportional to 63,246.77, 87,280.63 and 36,388.74 is: 50,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,246.77 : 87,280.63 = 36,388.74 : x
  2. Step 2: Convert to fraction form
    63,246.77/87,280.63 = 36,388.74/x
  3. Step 3: Cross multiply
    63,246.77x = 87,280.63 × 36,388.74
  4. Step 4: Simplify right side
    63,246.77x = 3,176,032,261.21
  5. Step 5: Solve for x
    x = 3,176,032,261.21/63,246.77
  6. Step 6: Final answer
    x = 50,216.51

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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.