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Finding the Fourth Proportional to 51,170.99, 70,616.07 and 29,664.88

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Solution

The fourth proportional to 51,170.99, 70,616.07 and 29,664.88 is: 40,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.99 : 70,616.07 = 29,664.88 : x
  2. Step 2: Convert to fraction form
    51,170.99/70,616.07 = 29,664.88/x
  3. Step 3: Cross multiply
    51,170.99x = 70,616.07 × 29,664.88
  4. Step 4: Simplify right side
    51,170.99x = 2,094,817,066.08
  5. Step 5: Solve for x
    x = 2,094,817,066.08/51,170.99
  6. Step 6: Final answer
    x = 40,937.60

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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.