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Finding the Fourth Proportional to 66,023.10, 99,009.78 and 23,892.78

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Solution

The fourth proportional to 66,023.10, 99,009.78 and 23,892.78 is: 35,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.10 : 99,009.78 = 23,892.78 : x
  2. Step 2: Convert to fraction form
    66,023.10/99,009.78 = 23,892.78/x
  3. Step 3: Cross multiply
    66,023.10x = 99,009.78 × 23,892.78
  4. Step 4: Simplify right side
    66,023.10x = 2,365,618,891.39
  5. Step 5: Solve for x
    x = 2,365,618,891.39/66,023.10
  6. Step 6: Final answer
    x = 35,830.17

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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.