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Finding the Fourth Proportional to 79,327.66, 109,464.06 and 47,495.74

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Solution

The fourth proportional to 79,327.66, 109,464.06 and 47,495.74 is: 65,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,327.66 : 109,464.06 = 47,495.74 : x
  2. Step 2: Convert to fraction form
    79,327.66/109,464.06 = 47,495.74/x
  3. Step 3: Cross multiply
    79,327.66x = 109,464.06 × 47,495.74
  4. Step 4: Simplify right side
    79,327.66x = 5,199,076,533.10
  5. Step 5: Solve for x
    x = 5,199,076,533.10/79,327.66
  6. Step 6: Final answer
    x = 65,539.27

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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.