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Finding the Fourth Proportional to 39,590.76, 59,375.76 and 14,637.96

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Solution

The fourth proportional to 39,590.76, 59,375.76 and 14,637.96 is: 21,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,590.76 : 59,375.76 = 14,637.96 : x
  2. Step 2: Convert to fraction form
    39,590.76/59,375.76 = 14,637.96/x
  3. Step 3: Cross multiply
    39,590.76x = 59,375.76 × 14,637.96
  4. Step 4: Simplify right side
    39,590.76x = 869,139,999.85
  5. Step 5: Solve for x
    x = 869,139,999.85/39,590.76
  6. Step 6: Final answer
    x = 21,953.10

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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.