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Finding the Fourth Proportional to 56,488, 84,745.02 and 19,552

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Solution

The fourth proportional to 56,488, 84,745.02 and 19,552 is: 29,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488 : 84,745.02 = 19,552 : x
  2. Step 2: Convert to fraction form
    56,488/84,745.02 = 19,552/x
  3. Step 3: Cross multiply
    56,488x = 84,745.02 × 19,552
  4. Step 4: Simplify right side
    56,488x = 1,656,934,631.04
  5. Step 5: Solve for x
    x = 1,656,934,631.04/56,488
  6. Step 6: Final answer
    x = 29,332.51

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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.