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Finding the Fourth Proportional to 36,695.60, 55,032.60 and 10,402.64

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Solution

The fourth proportional to 36,695.60, 55,032.60 and 10,402.64 is: 15,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,695.60 : 55,032.60 = 10,402.64 : x
  2. Step 2: Convert to fraction form
    36,695.60/55,032.60 = 10,402.64/x
  3. Step 3: Cross multiply
    36,695.60x = 55,032.60 × 10,402.64
  4. Step 4: Simplify right side
    36,695.60x = 572,484,326.06
  5. Step 5: Solve for x
    x = 572,484,326.06/36,695.60
  6. Step 6: Final answer
    x = 15,600.90

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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.