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Finding the Fourth Proportional to 52,944.70, 79,355.51 and 19,643.53

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Solution

The fourth proportional to 52,944.70, 79,355.51 and 19,643.53 is: 29,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,944.70 : 79,355.51 = 19,643.53 : x
  2. Step 2: Convert to fraction form
    52,944.70/79,355.51 = 19,643.53/x
  3. Step 3: Cross multiply
    52,944.70x = 79,355.51 × 19,643.53
  4. Step 4: Simplify right side
    52,944.70x = 1,558,822,341.35
  5. Step 5: Solve for x
    x = 1,558,822,341.35/52,944.70
  6. Step 6: Final answer
    x = 29,442.46

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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.