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Finding the Fourth Proportional to 66,561.63, 99,857.02 and 25,008.63

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Solution

The fourth proportional to 66,561.63, 99,857.02 and 25,008.63 is: 37,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561.63 : 99,857.02 = 25,008.63 : x
  2. Step 2: Convert to fraction form
    66,561.63/99,857.02 = 25,008.63/x
  3. Step 3: Cross multiply
    66,561.63x = 99,857.02 × 25,008.63
  4. Step 4: Simplify right side
    66,561.63x = 2,497,287,266.08
  5. Step 5: Solve for x
    x = 2,497,287,266.08/66,561.63
  6. Step 6: Final answer
    x = 37,518.42

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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.