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Finding the Fourth Proportional to 63,301.60, 94,954.32 and 21,748

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Solution

The fourth proportional to 63,301.60, 94,954.32 and 21,748 is: 32,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,301.60 : 94,954.32 = 21,748 : x
  2. Step 2: Convert to fraction form
    63,301.60/94,954.32 = 21,748/x
  3. Step 3: Cross multiply
    63,301.60x = 94,954.32 × 21,748
  4. Step 4: Simplify right side
    63,301.60x = 2,065,066,551.36
  5. Step 5: Solve for x
    x = 2,065,066,551.36/63,301.60
  6. Step 6: Final answer
    x = 32,622.66

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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.