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Finding the Fourth Proportional to 35,310, 48,726.96 and 19,394.40

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Solution

The fourth proportional to 35,310, 48,726.96 and 19,394.40 is: 26,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310 : 48,726.96 = 19,394.40 : x
  2. Step 2: Convert to fraction form
    35,310/48,726.96 = 19,394.40/x
  3. Step 3: Cross multiply
    35,310x = 48,726.96 × 19,394.40
  4. Step 4: Simplify right side
    35,310x = 945,030,153.02
  5. Step 5: Solve for x
    x = 945,030,153.02/35,310
  6. Step 6: Final answer
    x = 26,763.81

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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.