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Finding the Fourth Proportional to 64,423.98, 96,642.57 and 22,303.99

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Solution

The fourth proportional to 64,423.98, 96,642.57 and 22,303.99 is: 33,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,423.98 : 96,642.57 = 22,303.99 : x
  2. Step 2: Convert to fraction form
    64,423.98/96,642.57 = 22,303.99/x
  3. Step 3: Cross multiply
    64,423.98x = 96,642.57 × 22,303.99
  4. Step 4: Simplify right side
    64,423.98x = 2,155,514,914.85
  5. Step 5: Solve for x
    x = 2,155,514,914.85/64,423.98
  6. Step 6: Final answer
    x = 33,458.27

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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.