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Finding the Fourth Proportional to 64,145.30, 88,512.85 and 35,461.10

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Solution

The fourth proportional to 64,145.30, 88,512.85 and 35,461.10 is: 48,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.30 : 88,512.85 = 35,461.10 : x
  2. Step 2: Convert to fraction form
    64,145.30/88,512.85 = 35,461.10/x
  3. Step 3: Cross multiply
    64,145.30x = 88,512.85 × 35,461.10
  4. Step 4: Simplify right side
    64,145.30x = 3,138,763,025.14
  5. Step 5: Solve for x
    x = 3,138,763,025.14/64,145.30
  6. Step 6: Final answer
    x = 48,932.08

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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.