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Finding the Fourth Proportional to 77,409.93, 116,112.47 and 22,005.93

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Solution

The fourth proportional to 77,409.93, 116,112.47 and 22,005.93 is: 33,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,409.93 : 116,112.47 = 22,005.93 : x
  2. Step 2: Convert to fraction form
    77,409.93/116,112.47 = 22,005.93/x
  3. Step 3: Cross multiply
    77,409.93x = 116,112.47 × 22,005.93
  4. Step 4: Simplify right side
    77,409.93x = 2,555,162,776.92
  5. Step 5: Solve for x
    x = 2,555,162,776.92/77,409.93
  6. Step 6: Final answer
    x = 33,008.20

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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.