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Finding the Fourth Proportional to 36,752.64, 50,719.68 and 21,646.32

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Solution

The fourth proportional to 36,752.64, 50,719.68 and 21,646.32 is: 29,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,752.64 : 50,719.68 = 21,646.32 : x
  2. Step 2: Convert to fraction form
    36,752.64/50,719.68 = 21,646.32/x
  3. Step 3: Cross multiply
    36,752.64x = 50,719.68 × 21,646.32
  4. Step 4: Simplify right side
    36,752.64x = 1,097,894,423.58
  5. Step 5: Solve for x
    x = 1,097,894,423.58/36,752.64
  6. Step 6: Final answer
    x = 29,872.53

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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.