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Finding the Fourth Proportional to 65,395.74, 90,273.24 and 44,203.72

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Solution

The fourth proportional to 65,395.74, 90,273.24 and 44,203.72 is: 61,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,395.74 : 90,273.24 = 44,203.72 : x
  2. Step 2: Convert to fraction form
    65,395.74/90,273.24 = 44,203.72/x
  3. Step 3: Cross multiply
    65,395.74x = 90,273.24 × 44,203.72
  4. Step 4: Simplify right side
    65,395.74x = 3,990,413,024.45
  5. Step 5: Solve for x
    x = 3,990,413,024.45/65,395.74
  6. Step 6: Final answer
    x = 61,019.46

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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.