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Finding the Fourth Proportional to 36,459.84, 54,689.76 and 10,164.81

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Solution

The fourth proportional to 36,459.84, 54,689.76 and 10,164.81 is: 15,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,459.84 : 54,689.76 = 10,164.81 : x
  2. Step 2: Convert to fraction form
    36,459.84/54,689.76 = 10,164.81/x
  3. Step 3: Cross multiply
    36,459.84x = 54,689.76 × 10,164.81
  4. Step 4: Simplify right side
    36,459.84x = 555,911,019.35
  5. Step 5: Solve for x
    x = 555,911,019.35/36,459.84
  6. Step 6: Final answer
    x = 15,247.22

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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.