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Finding the Fourth Proportional to 66,643.07, 99,953.78 and 22,269.74

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Solution

The fourth proportional to 66,643.07, 99,953.78 and 22,269.74 is: 33,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,643.07 : 99,953.78 = 22,269.74 : x
  2. Step 2: Convert to fraction form
    66,643.07/99,953.78 = 22,269.74/x
  3. Step 3: Cross multiply
    66,643.07x = 99,953.78 × 22,269.74
  4. Step 4: Simplify right side
    66,643.07x = 2,225,944,831.15
  5. Step 5: Solve for x
    x = 2,225,944,831.15/66,643.07
  6. Step 6: Final answer
    x = 33,401.00

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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.