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Finding the Fourth Proportional to 48,994.80, 73,492.20 and 43,551.60

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Solution

The fourth proportional to 48,994.80, 73,492.20 and 43,551.60 is: 65,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,994.80 : 73,492.20 = 43,551.60 : x
  2. Step 2: Convert to fraction form
    48,994.80/73,492.20 = 43,551.60/x
  3. Step 3: Cross multiply
    48,994.80x = 73,492.20 × 43,551.60
  4. Step 4: Simplify right side
    48,994.80x = 3,200,702,897.52
  5. Step 5: Solve for x
    x = 3,200,702,897.52/48,994.80
  6. Step 6: Final answer
    x = 65,327.40

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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.