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Finding the Fourth Proportional to 35,428.83, 48,894.01 and 19,513.28

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Solution

The fourth proportional to 35,428.83, 48,894.01 and 19,513.28 is: 26,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.83 : 48,894.01 = 19,513.28 : x
  2. Step 2: Convert to fraction form
    35,428.83/48,894.01 = 19,513.28/x
  3. Step 3: Cross multiply
    35,428.83x = 48,894.01 × 19,513.28
  4. Step 4: Simplify right side
    35,428.83x = 954,082,507.45
  5. Step 5: Solve for x
    x = 954,082,507.45/35,428.83
  6. Step 6: Final answer
    x = 26,929.55

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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.