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Finding the Fourth Proportional to 64,078.64, 88,422.48 and 37,220.48

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Solution

The fourth proportional to 64,078.64, 88,422.48 and 37,220.48 is: 51,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,078.64 : 88,422.48 = 37,220.48 : x
  2. Step 2: Convert to fraction form
    64,078.64/88,422.48 = 37,220.48/x
  3. Step 3: Cross multiply
    64,078.64x = 88,422.48 × 37,220.48
  4. Step 4: Simplify right side
    64,078.64x = 3,291,127,148.39
  5. Step 5: Solve for x
    x = 3,291,127,148.39/64,078.64
  6. Step 6: Final answer
    x = 51,360.75

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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.