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Finding the Fourth Proportional to 52,714.99, 72,776.76 and 34,861.78

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Solution

The fourth proportional to 52,714.99, 72,776.76 and 34,861.78 is: 48,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,714.99 : 72,776.76 = 34,861.78 : x
  2. Step 2: Convert to fraction form
    52,714.99/72,776.76 = 34,861.78/x
  3. Step 3: Cross multiply
    52,714.99x = 72,776.76 × 34,861.78
  4. Step 4: Simplify right side
    52,714.99x = 2,537,127,396.23
  5. Step 5: Solve for x
    x = 2,537,127,396.23/52,714.99
  6. Step 6: Final answer
    x = 48,129.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.