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Finding the Fourth Proportional to 70,670.56, 97,532.24 and 40,460.20

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Solution

The fourth proportional to 70,670.56, 97,532.24 and 40,460.20 is: 55,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,670.56 : 97,532.24 = 40,460.20 : x
  2. Step 2: Convert to fraction form
    70,670.56/97,532.24 = 40,460.20/x
  3. Step 3: Cross multiply
    70,670.56x = 97,532.24 × 40,460.20
  4. Step 4: Simplify right side
    70,670.56x = 3,946,173,936.85
  5. Step 5: Solve for x
    x = 3,946,173,936.85/70,670.56
  6. Step 6: Final answer
    x = 55,839.01

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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.