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Finding the Fourth Proportional to 66,483.71, 99,726.41 and 22,110.45

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Solution

The fourth proportional to 66,483.71, 99,726.41 and 22,110.45 is: 33,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,483.71 : 99,726.41 = 22,110.45 : x
  2. Step 2: Convert to fraction form
    66,483.71/99,726.41 = 22,110.45/x
  3. Step 3: Cross multiply
    66,483.71x = 99,726.41 × 22,110.45
  4. Step 4: Simplify right side
    66,483.71x = 2,204,995,857.26
  5. Step 5: Solve for x
    x = 2,204,995,857.26/66,483.71
  6. Step 6: Final answer
    x = 33,165.96

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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.