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Finding the Fourth Proportional to 77,405.63, 116,127.95 and 22,001.63

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Solution

The fourth proportional to 77,405.63, 116,127.95 and 22,001.63 is: 33,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,405.63 : 116,127.95 = 22,001.63 : x
  2. Step 2: Convert to fraction form
    77,405.63/116,127.95 = 22,001.63/x
  3. Step 3: Cross multiply
    77,405.63x = 116,127.95 × 22,001.63
  4. Step 4: Simplify right side
    77,405.63x = 2,555,003,497.91
  5. Step 5: Solve for x
    x = 2,555,003,497.91/77,405.63
  6. Step 6: Final answer
    x = 33,007.98

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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.