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Finding the Fourth Proportional to 36,492.92, 50,357.54 and 21,384.68

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Solution

The fourth proportional to 36,492.92, 50,357.54 and 21,384.68 is: 29,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.92 : 50,357.54 = 21,384.68 : x
  2. Step 2: Convert to fraction form
    36,492.92/50,357.54 = 21,384.68/x
  3. Step 3: Cross multiply
    36,492.92x = 50,357.54 × 21,384.68
  4. Step 4: Simplify right side
    36,492.92x = 1,076,879,878.49
  5. Step 5: Solve for x
    x = 1,076,879,878.49/36,492.92
  6. Step 6: Final answer
    x = 29,509.28

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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.