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Finding the Fourth Proportional to 32,668.32, 48,969.39 and 22,139.42

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Solution

The fourth proportional to 32,668.32, 48,969.39 and 22,139.42 is: 33,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.32 : 48,969.39 = 22,139.42 : x
  2. Step 2: Convert to fraction form
    32,668.32/48,969.39 = 22,139.42/x
  3. Step 3: Cross multiply
    32,668.32x = 48,969.39 × 22,139.42
  4. Step 4: Simplify right side
    32,668.32x = 1,084,153,647.51
  5. Step 5: Solve for x
    x = 1,084,153,647.51/32,668.32
  6. Step 6: Final answer
    x = 33,186.70

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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.