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Finding the Fourth Proportional to 66,722.63, 100,098.21 and 24,602.82

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Solution

The fourth proportional to 66,722.63, 100,098.21 and 24,602.82 is: 36,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.63 : 100,098.21 = 24,602.82 : x
  2. Step 2: Convert to fraction form
    66,722.63/100,098.21 = 24,602.82/x
  3. Step 3: Cross multiply
    66,722.63x = 100,098.21 × 24,602.82
  4. Step 4: Simplify right side
    66,722.63x = 2,462,698,242.95
  5. Step 5: Solve for x
    x = 2,462,698,242.95/66,722.63
  6. Step 6: Final answer
    x = 36,909.49

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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.