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Finding the Fourth Proportional to 32,164.70, 44,389.64 and 19,421.02

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Solution

The fourth proportional to 32,164.70, 44,389.64 and 19,421.02 is: 26,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,164.70 : 44,389.64 = 19,421.02 : x
  2. Step 2: Convert to fraction form
    32,164.70/44,389.64 = 19,421.02/x
  3. Step 3: Cross multiply
    32,164.70x = 44,389.64 × 19,421.02
  4. Step 4: Simplify right side
    32,164.70x = 862,092,086.23
  5. Step 5: Solve for x
    x = 862,092,086.23/32,164.70
  6. Step 6: Final answer
    x = 26,802.43

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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.