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Finding the Fourth Proportional to 52,485.07, 72,426.78 and 29,821.07

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Solution

The fourth proportional to 52,485.07, 72,426.78 and 29,821.07 is: 41,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,485.07 : 72,426.78 = 29,821.07 : x
  2. Step 2: Convert to fraction form
    52,485.07/72,426.78 = 29,821.07/x
  3. Step 3: Cross multiply
    52,485.07x = 72,426.78 × 29,821.07
  4. Step 4: Simplify right side
    52,485.07x = 2,159,844,076.25
  5. Step 5: Solve for x
    x = 2,159,844,076.25/52,485.07
  6. Step 6: Final answer
    x = 41,151.59

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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.