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Finding the Fourth Proportional to 48,351, 72,526.50 and 17,187.48

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Solution

The fourth proportional to 48,351, 72,526.50 and 17,187.48 is: 25,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351 : 72,526.50 = 17,187.48 : x
  2. Step 2: Convert to fraction form
    48,351/72,526.50 = 17,187.48/x
  3. Step 3: Cross multiply
    48,351x = 72,526.50 × 17,187.48
  4. Step 4: Simplify right side
    48,351x = 1,246,547,768.22
  5. Step 5: Solve for x
    x = 1,246,547,768.22/48,351
  6. Step 6: Final answer
    x = 25,781.22

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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.