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Finding the Fourth Proportional to 65,544.37, 90,458.91 and 37,254.31

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Solution

The fourth proportional to 65,544.37, 90,458.91 and 37,254.31 is: 51,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,544.37 : 90,458.91 = 37,254.31 : x
  2. Step 2: Convert to fraction form
    65,544.37/90,458.91 = 37,254.31/x
  3. Step 3: Cross multiply
    65,544.37x = 90,458.91 × 37,254.31
  4. Step 4: Simplify right side
    65,544.37x = 3,369,983,636.84
  5. Step 5: Solve for x
    x = 3,369,983,636.84/65,544.37
  6. Step 6: Final answer
    x = 51,415.31

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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.