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Finding the Fourth Proportional to 54,607.65, 81,911.51 and 15,164.76

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Solution

The fourth proportional to 54,607.65, 81,911.51 and 15,164.76 is: 22,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,607.65 : 81,911.51 = 15,164.76 : x
  2. Step 2: Convert to fraction form
    54,607.65/81,911.51 = 15,164.76/x
  3. Step 3: Cross multiply
    54,607.65x = 81,911.51 × 15,164.76
  4. Step 4: Simplify right side
    54,607.65x = 1,242,168,314.56
  5. Step 5: Solve for x
    x = 1,242,168,314.56/54,607.65
  6. Step 6: Final answer
    x = 22,747.15

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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.