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Finding the Fourth Proportional to 68,548.76, 94,621.08 and 47,109.50

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Solution

The fourth proportional to 68,548.76, 94,621.08 and 47,109.50 is: 65,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,548.76 : 94,621.08 = 47,109.50 : x
  2. Step 2: Convert to fraction form
    68,548.76/94,621.08 = 47,109.50/x
  3. Step 3: Cross multiply
    68,548.76x = 94,621.08 × 47,109.50
  4. Step 4: Simplify right side
    68,548.76x = 4,457,551,768.26
  5. Step 5: Solve for x
    x = 4,457,551,768.26/68,548.76
  6. Step 6: Final answer
    x = 65,027.46

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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.