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Finding the Fourth Proportional to 70,670.88, 97,523.76 and 40,455.18

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Solution

The fourth proportional to 70,670.88, 97,523.76 and 40,455.18 is: 55,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,670.88 : 97,523.76 = 40,455.18 : x
  2. Step 2: Convert to fraction form
    70,670.88/97,523.76 = 40,455.18/x
  3. Step 3: Cross multiply
    70,670.88x = 97,523.76 × 40,455.18
  4. Step 4: Simplify right side
    70,670.88x = 3,945,341,265.08
  5. Step 5: Solve for x
    x = 3,945,341,265.08/70,670.88
  6. Step 6: Final answer
    x = 55,826.97

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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.