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Finding the Fourth Proportional to 44,831.74, 67,156.71 and 20,782.24

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Solution

The fourth proportional to 44,831.74, 67,156.71 and 20,782.24 is: 31,131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,831.74 : 67,156.71 = 20,782.24 : x
  2. Step 2: Convert to fraction form
    44,831.74/67,156.71 = 20,782.24/x
  3. Step 3: Cross multiply
    44,831.74x = 67,156.71 × 20,782.24
  4. Step 4: Simplify right side
    44,831.74x = 1,395,666,864.83
  5. Step 5: Solve for x
    x = 1,395,666,864.83/44,831.74
  6. Step 6: Final answer
    x = 31,131.22

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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.