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Finding the Fourth Proportional to 63,897.57, 95,855.61 and 19,518.63

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Solution

The fourth proportional to 63,897.57, 95,855.61 and 19,518.63 is: 29,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,897.57 : 95,855.61 = 19,518.63 : x
  2. Step 2: Convert to fraction form
    63,897.57/95,855.61 = 19,518.63/x
  3. Step 3: Cross multiply
    63,897.57x = 95,855.61 × 19,518.63
  4. Step 4: Simplify right side
    63,897.57x = 1,870,970,185.01
  5. Step 5: Solve for x
    x = 1,870,970,185.01/63,897.57
  6. Step 6: Final answer
    x = 29,280.77

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1.5x scale

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.