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Finding the Fourth Proportional to 21,683.64, 32,525.44 and 5,267.64

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Solution

The fourth proportional to 21,683.64, 32,525.44 and 5,267.64 is: 7,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.64 : 32,525.44 = 5,267.64 : x
  2. Step 2: Convert to fraction form
    21,683.64/32,525.44 = 5,267.64/x
  3. Step 3: Cross multiply
    21,683.64x = 32,525.44 × 5,267.64
  4. Step 4: Simplify right side
    21,683.64x = 171,332,308.76
  5. Step 5: Solve for x
    x = 171,332,308.76/21,683.64
  6. Step 6: Final answer
    x = 7,901.46

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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.