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Finding the Fourth Proportional to 52,339.52, 78,516.52 and 19,053.36

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Solution

The fourth proportional to 52,339.52, 78,516.52 and 19,053.36 is: 28,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,339.52 : 78,516.52 = 19,053.36 : x
  2. Step 2: Convert to fraction form
    52,339.52/78,516.52 = 19,053.36/x
  3. Step 3: Cross multiply
    52,339.52x = 78,516.52 × 19,053.36
  4. Step 4: Simplify right side
    52,339.52x = 1,496,003,521.51
  5. Step 5: Solve for x
    x = 1,496,003,521.51/52,339.52
  6. Step 6: Final answer
    x = 28,582.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.