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Finding the Fourth Proportional to 47,297.60, 70,941.60 and 16,132.40

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Solution

The fourth proportional to 47,297.60, 70,941.60 and 16,132.40 is: 24,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,297.60 : 70,941.60 = 16,132.40 : x
  2. Step 2: Convert to fraction form
    47,297.60/70,941.60 = 16,132.40/x
  3. Step 3: Cross multiply
    47,297.60x = 70,941.60 × 16,132.40
  4. Step 4: Simplify right side
    47,297.60x = 1,144,458,267.84
  5. Step 5: Solve for x
    x = 1,144,458,267.84/47,297.60
  6. Step 6: Final answer
    x = 24,196.96

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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.