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Finding the Fourth Proportional to 29,674.17, 40,912.16 and 19,059.93

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Solution

The fourth proportional to 29,674.17, 40,912.16 and 19,059.93 is: 26,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,674.17 : 40,912.16 = 19,059.93 : x
  2. Step 2: Convert to fraction form
    29,674.17/40,912.16 = 19,059.93/x
  3. Step 3: Cross multiply
    29,674.17x = 40,912.16 × 19,059.93
  4. Step 4: Simplify right side
    29,674.17x = 779,782,810.45
  5. Step 5: Solve for x
    x = 779,782,810.45/29,674.17
  6. Step 6: Final answer
    x = 26,278.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.