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Finding the Fourth Proportional to 56,592.96, 84,888.48 and 19,656

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Solution

The fourth proportional to 56,592.96, 84,888.48 and 19,656 is: 29,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,592.96 : 84,888.48 = 19,656 : x
  2. Step 2: Convert to fraction form
    56,592.96/84,888.48 = 19,656/x
  3. Step 3: Cross multiply
    56,592.96x = 84,888.48 × 19,656
  4. Step 4: Simplify right side
    56,592.96x = 1,668,567,962.88
  5. Step 5: Solve for x
    x = 1,668,567,962.88/56,592.96
  6. Step 6: Final answer
    x = 29,483.67

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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.