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Finding the Fourth Proportional to 35,230.68, 48,619.17 and 19,316.00

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Solution

The fourth proportional to 35,230.68, 48,619.17 and 19,316.00 is: 26,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,230.68 : 48,619.17 = 19,316.00 : x
  2. Step 2: Convert to fraction form
    35,230.68/48,619.17 = 19,316.00/x
  3. Step 3: Cross multiply
    35,230.68x = 48,619.17 × 19,316.00
  4. Step 4: Simplify right side
    35,230.68x = 939,128,009.27
  5. Step 5: Solve for x
    x = 939,128,009.27/35,230.68
  6. Step 6: Final answer
    x = 26,656.54

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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.