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Finding the Fourth Proportional to 54,235.12, 81,510.12 and 35,883.76

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Solution

The fourth proportional to 54,235.12, 81,510.12 and 35,883.76 is: 53,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.12 : 81,510.12 = 35,883.76 : x
  2. Step 2: Convert to fraction form
    54,235.12/81,510.12 = 35,883.76/x
  3. Step 3: Cross multiply
    54,235.12x = 81,510.12 × 35,883.76
  4. Step 4: Simplify right side
    54,235.12x = 2,924,889,583.65
  5. Step 5: Solve for x
    x = 2,924,889,583.65/54,235.12
  6. Step 6: Final answer
    x = 53,929.81

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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.