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Finding the Fourth Proportional to 70,992.96, 97,926.87 and 45,490.74

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Solution

The fourth proportional to 70,992.96, 97,926.87 and 45,490.74 is: 62,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,992.96 : 97,926.87 = 45,490.74 : x
  2. Step 2: Convert to fraction form
    70,992.96/97,926.87 = 45,490.74/x
  3. Step 3: Cross multiply
    70,992.96x = 97,926.87 × 45,490.74
  4. Step 4: Simplify right side
    70,992.96x = 4,454,765,782.18
  5. Step 5: Solve for x
    x = 4,454,765,782.18/70,992.96
  6. Step 6: Final answer
    x = 62,749.40

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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.