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Finding the Fourth Proportional to 54,333.10, 81,499.65 and 14,894.20

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Solution

The fourth proportional to 54,333.10, 81,499.65 and 14,894.20 is: 22,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,333.10 : 81,499.65 = 14,894.20 : x
  2. Step 2: Convert to fraction form
    54,333.10/81,499.65 = 14,894.20/x
  3. Step 3: Cross multiply
    54,333.10x = 81,499.65 × 14,894.20
  4. Step 4: Simplify right side
    54,333.10x = 1,213,872,087.03
  5. Step 5: Solve for x
    x = 1,213,872,087.03/54,333.10
  6. Step 6: Final answer
    x = 22,341.30

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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.