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Finding the Fourth Proportional to 52,515.84, 72,485.64 and 29,868.08

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Solution

The fourth proportional to 52,515.84, 72,485.64 and 29,868.08 is: 41,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.84 : 72,485.64 = 29,868.08 : x
  2. Step 2: Convert to fraction form
    52,515.84/72,485.64 = 29,868.08/x
  3. Step 3: Cross multiply
    52,515.84x = 72,485.64 × 29,868.08
  4. Step 4: Simplify right side
    52,515.84x = 2,165,006,894.37
  5. Step 5: Solve for x
    x = 2,165,006,894.37/52,515.84
  6. Step 6: Final answer
    x = 41,225.79

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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.