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Finding the Fourth Proportional to 66,541.54, 99,814.13 and 22,166.71

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Solution

The fourth proportional to 66,541.54, 99,814.13 and 22,166.71 is: 33,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.54 : 99,814.13 = 22,166.71 : x
  2. Step 2: Convert to fraction form
    66,541.54/99,814.13 = 22,166.71/x
  3. Step 3: Cross multiply
    66,541.54x = 99,814.13 × 22,166.71
  4. Step 4: Simplify right side
    66,541.54x = 2,212,550,263.71
  5. Step 5: Solve for x
    x = 2,212,550,263.71/66,541.54
  6. Step 6: Final answer
    x = 33,250.66

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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.