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Finding the Fourth Proportional to 64,874.32, 89,523.84 and 36,582.64

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Solution

The fourth proportional to 64,874.32, 89,523.84 and 36,582.64 is: 50,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.32 : 89,523.84 = 36,582.64 : x
  2. Step 2: Convert to fraction form
    64,874.32/89,523.84 = 36,582.64/x
  3. Step 3: Cross multiply
    64,874.32x = 89,523.84 × 36,582.64
  4. Step 4: Simplify right side
    64,874.32x = 3,275,018,410.14
  5. Step 5: Solve for x
    x = 3,275,018,410.14/64,874.32
  6. Step 6: Final answer
    x = 50,482.51

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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.