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Finding the Fourth Proportional to 33,683.70, 50,567.15 and 21,203.70

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Solution

The fourth proportional to 33,683.70, 50,567.15 and 21,203.70 is: 31,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,683.70 : 50,567.15 = 21,203.70 : x
  2. Step 2: Convert to fraction form
    33,683.70/50,567.15 = 21,203.70/x
  3. Step 3: Cross multiply
    33,683.70x = 50,567.15 × 21,203.70
  4. Step 4: Simplify right side
    33,683.70x = 1,072,210,678.46
  5. Step 5: Solve for x
    x = 1,072,210,678.46/33,683.70
  6. Step 6: Final answer
    x = 31,831.74

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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.