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Finding the Fourth Proportional to 36,693.60, 55,029.60 and 10,400.64

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Solution

The fourth proportional to 36,693.60, 55,029.60 and 10,400.64 is: 15,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.60 : 55,029.60 = 10,400.64 : x
  2. Step 2: Convert to fraction form
    36,693.60/55,029.60 = 10,400.64/x
  3. Step 3: Cross multiply
    36,693.60x = 55,029.60 × 10,400.64
  4. Step 4: Simplify right side
    36,693.60x = 572,343,058.94
  5. Step 5: Solve for x
    x = 572,343,058.94/36,693.60
  6. Step 6: Final answer
    x = 15,597.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.