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Finding the Fourth Proportional to 65,523.96, 90,356.58 and 53,548.92

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Solution

The fourth proportional to 65,523.96, 90,356.58 and 53,548.92 is: 73,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,523.96 : 90,356.58 = 53,548.92 : x
  2. Step 2: Convert to fraction form
    65,523.96/90,356.58 = 53,548.92/x
  3. Step 3: Cross multiply
    65,523.96x = 90,356.58 × 53,548.92
  4. Step 4: Simplify right side
    65,523.96x = 4,838,497,273.89
  5. Step 5: Solve for x
    x = 4,838,497,273.89/65,523.96
  6. Step 6: Final answer
    x = 73,843.18

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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.