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Finding the Fourth Proportional to 65,014.40, 97,305.60 and 47,194.40

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Solution

The fourth proportional to 65,014.40, 97,305.60 and 47,194.40 is: 70,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,014.40 : 97,305.60 = 47,194.40 : x
  2. Step 2: Convert to fraction form
    65,014.40/97,305.60 = 47,194.40/x
  3. Step 3: Cross multiply
    65,014.40x = 97,305.60 × 47,194.40
  4. Step 4: Simplify right side
    65,014.40x = 4,592,279,408.64
  5. Step 5: Solve for x
    x = 4,592,279,408.64/65,014.40
  6. Step 6: Final answer
    x = 70,634.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.