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Finding the Fourth Proportional to 37,218.70, 55,831.65 and 10,923.70

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Solution

The fourth proportional to 37,218.70, 55,831.65 and 10,923.70 is: 16,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.70 : 55,831.65 = 10,923.70 : x
  2. Step 2: Convert to fraction form
    37,218.70/55,831.65 = 10,923.70/x
  3. Step 3: Cross multiply
    37,218.70x = 55,831.65 × 10,923.70
  4. Step 4: Simplify right side
    37,218.70x = 609,888,195.11
  5. Step 5: Solve for x
    x = 609,888,195.11/37,218.70
  6. Step 6: Final answer
    x = 16,386.61

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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.