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Finding the Fourth Proportional to 72,877.76, 109,327.44 and 22,962.32

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Solution

The fourth proportional to 72,877.76, 109,327.44 and 22,962.32 is: 34,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,877.76 : 109,327.44 = 22,962.32 : x
  2. Step 2: Convert to fraction form
    72,877.76/109,327.44 = 22,962.32/x
  3. Step 3: Cross multiply
    72,877.76x = 109,327.44 × 22,962.32
  4. Step 4: Simplify right side
    72,877.76x = 2,510,411,662.06
  5. Step 5: Solve for x
    x = 2,510,411,662.06/72,877.76
  6. Step 6: Final answer
    x = 34,446.88

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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.