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Finding the Fourth Proportional to 35,400.71, 48,852.60 and 19,484.82

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Solution

The fourth proportional to 35,400.71, 48,852.60 and 19,484.82 is: 26,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.71 : 48,852.60 = 19,484.82 : x
  2. Step 2: Convert to fraction form
    35,400.71/48,852.60 = 19,484.82/x
  3. Step 3: Cross multiply
    35,400.71x = 48,852.60 × 19,484.82
  4. Step 4: Simplify right side
    35,400.71x = 951,884,117.53
  5. Step 5: Solve for x
    x = 951,884,117.53/35,400.71
  6. Step 6: Final answer
    x = 26,888.85

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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.