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Finding the Fourth Proportional to 66,435.16, 99,651.48 and 26,965.12

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Solution

The fourth proportional to 66,435.16, 99,651.48 and 26,965.12 is: 40,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435.16 : 99,651.48 = 26,965.12 : x
  2. Step 2: Convert to fraction form
    66,435.16/99,651.48 = 26,965.12/x
  3. Step 3: Cross multiply
    66,435.16x = 99,651.48 × 26,965.12
  4. Step 4: Simplify right side
    66,435.16x = 2,687,114,116.38
  5. Step 5: Solve for x
    x = 2,687,114,116.38/66,435.16
  6. Step 6: Final answer
    x = 40,447.17

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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.