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Finding the Fourth Proportional to 66,810.60, 100,222.65 and 24,701.94

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Solution

The fourth proportional to 66,810.60, 100,222.65 and 24,701.94 is: 37,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,810.60 : 100,222.65 = 24,701.94 : x
  2. Step 2: Convert to fraction form
    66,810.60/100,222.65 = 24,701.94/x
  3. Step 3: Cross multiply
    66,810.60x = 100,222.65 × 24,701.94
  4. Step 4: Simplify right side
    66,810.60x = 2,475,693,886.94
  5. Step 5: Solve for x
    x = 2,475,693,886.94/66,810.60
  6. Step 6: Final answer
    x = 37,055.41

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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.