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Finding the Fourth Proportional to 64,582.64, 89,125.12 and 35,512.24

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Solution

The fourth proportional to 64,582.64, 89,125.12 and 35,512.24 is: 49,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.64 : 89,125.12 = 35,512.24 : x
  2. Step 2: Convert to fraction form
    64,582.64/89,125.12 = 35,512.24/x
  3. Step 3: Cross multiply
    64,582.64x = 89,125.12 × 35,512.24
  4. Step 4: Simplify right side
    64,582.64x = 3,165,032,651.47
  5. Step 5: Solve for x
    x = 3,165,032,651.47/64,582.64
  6. Step 6: Final answer
    x = 49,007.48

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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.