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Finding the Fourth Proportional to 36,457.84, 54,686.76 and 10,162.81

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Solution

The fourth proportional to 36,457.84, 54,686.76 and 10,162.81 is: 15,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,457.84 : 54,686.76 = 10,162.81 : x
  2. Step 2: Convert to fraction form
    36,457.84/54,686.76 = 10,162.81/x
  3. Step 3: Cross multiply
    36,457.84x = 54,686.76 × 10,162.81
  4. Step 4: Simplify right side
    36,457.84x = 555,771,151.40
  5. Step 5: Solve for x
    x = 555,771,151.40/36,457.84
  6. Step 6: Final answer
    x = 15,244.22

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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.