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Finding the Fourth Proportional to 35,145.94, 48,501.45 and 19,230.50

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Solution

The fourth proportional to 35,145.94, 48,501.45 and 19,230.50 is: 26,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.94 : 48,501.45 = 19,230.50 : x
  2. Step 2: Convert to fraction form
    35,145.94/48,501.45 = 19,230.50/x
  3. Step 3: Cross multiply
    35,145.94x = 48,501.45 × 19,230.50
  4. Step 4: Simplify right side
    35,145.94x = 932,707,134.23
  5. Step 5: Solve for x
    x = 932,707,134.23/35,145.94
  6. Step 6: Final answer
    x = 26,538.12

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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.