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Finding the Fourth Proportional to 35,674.40, 49,223.62 and 21,526.94

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Solution

The fourth proportional to 35,674.40, 49,223.62 and 21,526.94 is: 29,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,674.40 : 49,223.62 = 21,526.94 : x
  2. Step 2: Convert to fraction form
    35,674.40/49,223.62 = 21,526.94/x
  3. Step 3: Cross multiply
    35,674.40x = 49,223.62 × 21,526.94
  4. Step 4: Simplify right side
    35,674.40x = 1,059,633,914.32
  5. Step 5: Solve for x
    x = 1,059,633,914.32/35,674.40
  6. Step 6: Final answer
    x = 29,702.92

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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.