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Finding the Fourth Proportional to 36,867.45, 55,301.15 and 9,165.45

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Solution

The fourth proportional to 36,867.45, 55,301.15 and 9,165.45 is: 13,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.45 : 55,301.15 = 9,165.45 : x
  2. Step 2: Convert to fraction form
    36,867.45/55,301.15 = 9,165.45/x
  3. Step 3: Cross multiply
    36,867.45x = 55,301.15 × 9,165.45
  4. Step 4: Simplify right side
    36,867.45x = 506,859,648.76
  5. Step 5: Solve for x
    x = 506,859,648.76/36,867.45
  6. Step 6: Final answer
    x = 13,748.16

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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.