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Finding the Fourth Proportional to 32,368.38, 44,642.79 and 21,188.22

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Solution

The fourth proportional to 32,368.38, 44,642.79 and 21,188.22 is: 29,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,368.38 : 44,642.79 = 21,188.22 : x
  2. Step 2: Convert to fraction form
    32,368.38/44,642.79 = 21,188.22/x
  3. Step 3: Cross multiply
    32,368.38x = 44,642.79 × 21,188.22
  4. Step 4: Simplify right side
    32,368.38x = 945,901,255.93
  5. Step 5: Solve for x
    x = 945,901,255.93/32,368.38
  6. Step 6: Final answer
    x = 29,223.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.