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Finding the Fourth Proportional to 36,492.16, 50,371.68 and 21,389.68

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Solution

The fourth proportional to 36,492.16, 50,371.68 and 21,389.68 is: 29,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.16 : 50,371.68 = 21,389.68 : x
  2. Step 2: Convert to fraction form
    36,492.16/50,371.68 = 21,389.68/x
  3. Step 3: Cross multiply
    36,492.16x = 50,371.68 × 21,389.68
  4. Step 4: Simplify right side
    36,492.16x = 1,077,434,116.26
  5. Step 5: Solve for x
    x = 1,077,434,116.26/36,492.16
  6. Step 6: Final answer
    x = 29,525.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.