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Finding the Fourth Proportional to 35,465.86, 48,942.48 and 19,549.99

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Solution

The fourth proportional to 35,465.86, 48,942.48 and 19,549.99 is: 26,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.86 : 48,942.48 = 19,549.99 : x
  2. Step 2: Convert to fraction form
    35,465.86/48,942.48 = 19,549.99/x
  3. Step 3: Cross multiply
    35,465.86x = 48,942.48 × 19,549.99
  4. Step 4: Simplify right side
    35,465.86x = 956,824,994.58
  5. Step 5: Solve for x
    x = 956,824,994.58/35,465.86
  6. Step 6: Final answer
    x = 26,978.76

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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.