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Finding the Fourth Proportional to 65,304.00, 90,120.54 and 36,630.03

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Solution

The fourth proportional to 65,304.00, 90,120.54 and 36,630.03 is: 50,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,304.00 : 90,120.54 = 36,630.03 : x
  2. Step 2: Convert to fraction form
    65,304.00/90,120.54 = 36,630.03/x
  3. Step 3: Cross multiply
    65,304.00x = 90,120.54 × 36,630.03
  4. Step 4: Simplify right side
    65,304.00x = 3,301,118,083.82
  5. Step 5: Solve for x
    x = 3,301,118,083.82/65,304.00
  6. Step 6: Final answer
    x = 50,550.01

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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.