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Finding the Fourth Proportional to 55,663.99, 83,408.39 and 43,044.59

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Solution

The fourth proportional to 55,663.99, 83,408.39 and 43,044.59 is: 64,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.99 : 83,408.39 = 43,044.59 : x
  2. Step 2: Convert to fraction form
    55,663.99/83,408.39 = 43,044.59/x
  3. Step 3: Cross multiply
    55,663.99x = 83,408.39 × 43,044.59
  4. Step 4: Simplify right side
    55,663.99x = 3,590,280,266.24
  5. Step 5: Solve for x
    x = 3,590,280,266.24/55,663.99
  6. Step 6: Final answer
    x = 64,499.16

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1.5x scale

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.