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Finding the Fourth Proportional to 56,673.96, 85,009.96 and 19,737

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Solution

The fourth proportional to 56,673.96, 85,009.96 and 19,737 is: 29,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,673.96 : 85,009.96 = 19,737 : x
  2. Step 2: Convert to fraction form
    56,673.96/85,009.96 = 19,737/x
  3. Step 3: Cross multiply
    56,673.96x = 85,009.96 × 19,737
  4. Step 4: Simplify right side
    56,673.96x = 1,677,841,580.52
  5. Step 5: Solve for x
    x = 1,677,841,580.52/56,673.96
  6. Step 6: Final answer
    x = 29,605.16

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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.