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Finding the Fourth Proportional to 54,831.99, 82,250.90 and 15,392.18

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Solution

The fourth proportional to 54,831.99, 82,250.90 and 15,392.18 is: 23,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.99 : 82,250.90 = 15,392.18 : x
  2. Step 2: Convert to fraction form
    54,831.99/82,250.90 = 15,392.18/x
  3. Step 3: Cross multiply
    54,831.99x = 82,250.90 × 15,392.18
  4. Step 4: Simplify right side
    54,831.99x = 1,266,020,657.96
  5. Step 5: Solve for x
    x = 1,266,020,657.96/54,831.99
  6. Step 6: Final answer
    x = 23,089.09

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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.