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Finding the Fourth Proportional to 57,010.99, 78,671.17 and 32,810.47

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Solution

The fourth proportional to 57,010.99, 78,671.17 and 32,810.47 is: 45,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.99 : 78,671.17 = 32,810.47 : x
  2. Step 2: Convert to fraction form
    57,010.99/78,671.17 = 32,810.47/x
  3. Step 3: Cross multiply
    57,010.99x = 78,671.17 × 32,810.47
  4. Step 4: Simplify right side
    57,010.99x = 2,581,237,999.76
  5. Step 5: Solve for x
    x = 2,581,237,999.76/57,010.99
  6. Step 6: Final answer
    x = 45,276.15

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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.