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Finding the Fourth Proportional to 58,272.76, 80,415.60 and 32,777.20

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Solution

The fourth proportional to 58,272.76, 80,415.60 and 32,777.20 is: 45,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,272.76 : 80,415.60 = 32,777.20 : x
  2. Step 2: Convert to fraction form
    58,272.76/80,415.60 = 32,777.20/x
  3. Step 3: Cross multiply
    58,272.76x = 80,415.60 × 32,777.20
  4. Step 4: Simplify right side
    58,272.76x = 2,635,798,204.32
  5. Step 5: Solve for x
    x = 2,635,798,204.32/58,272.76
  6. Step 6: Final answer
    x = 45,232.08

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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.