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Finding the Fourth Proportional to 64,934.08, 89,609.12 and 35,126.08

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Solution

The fourth proportional to 64,934.08, 89,609.12 and 35,126.08 is: 48,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,934.08 : 89,609.12 = 35,126.08 : x
  2. Step 2: Convert to fraction form
    64,934.08/89,609.12 = 35,126.08/x
  3. Step 3: Cross multiply
    64,934.08x = 89,609.12 × 35,126.08
  4. Step 4: Simplify right side
    64,934.08x = 3,147,617,117.85
  5. Step 5: Solve for x
    x = 3,147,617,117.85/64,934.08
  6. Step 6: Final answer
    x = 48,474.04

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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.